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ebook
e-book
An e-book (also: eBook, ebook), sometimes called an electronic book, is an electronic (or digital) equivalent of a conventional printed book. The term has occasionally been used ambiguously to refer to either an individual work in a digital format or a hardware device used to read books in digital format - more specifically called an e-book device or e-book reader. E-books are an emerging and rapidly changing technology that can include other formats such as online magazines or digital books designed to be listened to as audio books.
The term e-text is a broader term than e-book and is also used for the particular case of data in ASCII text format, rather than books in proprietary file formats. It also includes the academic e-text, which commonly contains components such as facsimile images, apparatus criticus, and scholarly commentary on the work from one or more editors specially qualified to edit the author or work in question.
An e-book is commonly bundled by a publisher for distribution (as an e-book, an ezine, or an Internet newspaper), whereas e-text is distributed in plain text on the Web, or - in the case of academic works - in the form of discrete media such as compact discs. Metadata relating to the text are sometimes included with etext (though it appears more frequently with e-book). Metadata commonly include details about author, title, publisher, and copyright date; less common are details regarding language, genre, relevant copyright conventions, etc.
An e-document is a document in digital format. In theory, an e-document is smaller than an e-book—one page for example—although there are also e-documents available larger than any e-book. As another emerging technology, two main categories of e-documents exist on the Internet—documentation internal to corporations and other entities—and electronic-copyrighted publications sold to consumers. Amazon.com has the largest comprehensive e-document library available on the Internet. Collections of online e-documents have the potential to replace paper consumer periodicals and nonfiction books by way of providing comprehensive content search with direct sale to readers. A short list of mainstream e-document publishers includes the U.S. Government Printing Office, Consumer Reports, Credit Suisse First Boston, Foreign Policy Magazine, Harvard Business Review, International Business Publications, MIT Technology Review, Princeton University Press, Salon, TIME Magazine, The Heritage Foundation and The Wall Street Transcript.
Production
Some e-books are produced simultaneously with the production of a printed format, as described in electronic publishing, though in many instances they may not be put on sale until later. Often, e-books are produced from pre-existing hard-copy books, generally by document scanning, sometimes with the use of Robotic Scanners, having the technology to quickly scan books without damaging the original print edition. [1] Scanning a book produces an image file, which must then be converted into text format by an OCR program. Occasionally, as in some e-text projects, a book may be produced by re-entering the text from a keyboard.
As a newer development, sometimes only the electronic version of a book is produced by the publisher. Usually, it is possible to convert electronic book to a printed book by short-run printing.
History
Michael Hart, the Founder of Project Gutenberg, is often thought of as the father of the eBook. No other single individual has contributed more to the public’s acceptance of the electronic book format.[citation needed]
Formats
This section is for formats, not individual ebook readers that use a common format.
A writer or publisher has many options when it comes to choosing a format for production. While the average end-user might arguably simply want to read books, every format has its exponents and champions, and debates over "which format is best" can become intense. The myriad of e-book formats is sometimes referred to as the "Tower of eBabel". For the average end user to read a book, every format has its advantages and disadvantages. Formats available include, but are by no means limited to:
DNL Reader
DNL format is an e-Book format, one which replicates the real life alternative, namely page turning Books. The DNL e-Book is developed by [DNAML Pty Limited] an Australian company established in 1999. THE DNL e-Book can be produced using DeskTop Author or DeskTop Communicator.
Plain text files
E-books in plain text exist and are very small in size.
Image files
An e-book can be distributed as a sequence of images, one for each page. In this way, any image format can be used as an e-book format. This method of distribution produces files much larger than all others, and also has the disadvantage that the user cannot select text, nor can the e-book be read by a screen reader. Distribution as images is most suitable for comic books, books about art, or other very visual works.
Hyper Text Markup Language
Commonly known as HTML
HTML is the markup language used for most web pages. E-books using HTML can be read using a standard browser (e.g., Mozilla, Firefox, or Microsoft Internet Explorer), with no need for special equipment. These files can be in ASCII format or in Unicode formats like UTF-8.
HTML has the disadvantage that it is somewhat complex and offers an additional learning hurdle before one can write in it. While it offers considerably superior layout control compared to plain text, it is significantly more difficult for the lay person to create pages in it. WhatYouSeeIsWhatYouGet (WYSIWYG) html editors overcome this to a large degree, but not completely. Naturally, for one simply interested in reading something, this is not a consideration, as the complexity of the file is behind the scenes.
However, it does enlarge the document considerably, requiring more storage space for a given work, even if images are not used to illustrate it. With modern memory being less and less expensive, this is not the challenge it once was.
Open Electronic Book Package Format
Commonly known as OPF FlipBook
OPF is an xml-based e-book format created by E-Book Systems. E-books created in OPF format are known as FlipBooks and capable of integrating multimedia contents such as video, audio, animation and images.
FlipBooks are presented in a 3D page-flipping interface via an electronic book viewer / web browser, that is FlipViewer®.
NISO Z39.86 Format
Commonly known as DAISY
DAISY is an xml-based e-book format created the DAISY international consortium of libraries for people with print disabilities.
DAISY implementation have focused on two main types: audio e-books and text e-books. A subset of the DAISY format has been adopted by law in the United States as the National Instructional Material Accessibility Standard, and K-12 textbooks and instructional materials are now required to be provided to students with disabilities.
FictionBook
FictionBook is a popular XML-based e-book format, supported by free readers such as Haali Reader and FBReader. See http://haali.cs.msu.ru/pocketpc/FictionBook_description.html
Text Encoding Initiative
TEI Lite is the most popular of the TEI-based (and thus XML-based or SGML-based) electronic text formats.
Plucker
Plucker is a free e-book reader application with its own associated file format and software to automatically generate plucker files from HTML files, web sites or RSS feeds. The format is a compressed HTML archive, somewhat like Microsoft's CHM.
CHM Format
Also known as Microsoft Compressed HTML Help
CHM format is a proprietary format based HTML. Multiple pages and embedded graphics are distributed along with proprietary metadata as a single compressed file. In contrast, in HTML, a site consists of multiple HTML files and associated image files in standardized formats.
Portable Document Format
Published as a pdf
A file format created by Adobe Systems, initially to provide a standard form for storing and editing printed publishable documents. Because documents in .pdf format can easily be seen and printed by users on a variety of computer and platform types, they are very common on the World Wide Web. But since they are designed to reproduce page images, and the text cannot be re-flowed to fit the screen width, PDF files designed for printing on standard paper sizes are hard to view on screens with limited size or resolution.
Adobe has addressed the issue of people viewing PDF files on smaller screens as are found on PDAs (Personal Digital Assistants). Adobe's Acrobat Reader for the PDA now has a re-flow facility. Unfortunately, certain settings need to be in place at the time the PDF document is created for it to be re-flow-able, which means many existing PDF documents won't benefit from this new feature. These settings can be found at Reflow the contents of Adobe PDF documents: Tutorial.
PDF files are created mainly using Adobe Acrobat, but Acrobat Capture and other Adobe products also support their creation, as do third-party products such as PDFCreator, OpenOffice.org, and FOP. Acrobat Reader (now simply called Adobe Reader) is Adobe's product used to view PDF files. PDF files typically contain product manuals, brochures, magazine articles, or flyers as they can embed fonts, images, and other documents. A PDF file contains one or more page images, each of which you can zoom in on or out from. The PDF format can include interactive elements such as buttons for forms entry and for triggering sound and Quicktime or AVI movies. Acrobat PDF files are optimized for the Web by rendering text before graphic images and hypertext links. Adobe's PDF-like e-book format is incorporated into their reader.
PostScript
Published as .ps
PostScript is a page description language used primarily in the electronic and desktop publishing areas for describing the contents of a printed page in a higher level than the actual output bitmap.
DjVu
Published as .djvu
DjVu is a file format that has been long in obscurity, but that is starting to surface now that free tools to manipulate the files are available.
DjVu is a format that particularly excels in storing scanned images. There are even advanced compressors especially specializing in low-color images, such as text documents. Individual files may contain single pages, or they can be collections of multiple pages.
The images are divided in separate layers (such as multi-color, low-resolution, lossily-compressed background layer, and few-colors, high-resolution, tightly-compressed foreground layer), each compressed in best applicable method. The files are also designed to decompress very fast, even faster than vector-based formats.
The advantage of DjVu is that it is possible to take a high-resolution scan (300-400 DPI), good enough for both on-screen and printing, and store it very efficiently. Several dozens of 300 DPI black-and-white scans can be stored in less than a megabyte.
Microsoft LIT
Published as an .lit
LIT files are only readable in the proprietary Microsoft Reader program, as the .LIT format, otherwise similar to Microsoft's CHM format, includes Digital Rights Management features.
The MS reader uses patented ClearType® display technology.
In Reader navigation works with a keyboard, mouse, stylus, or through electronic bookmarks. The Catalogue Library records reader books in a personalized "home page", and books are displayed with ClearType to improve readability. A user can add annotations and notes to any page, create large-print e-books with a single command, or create free-form drawings on the reader pages. A built-in dictionary allows the user to look up words.
eReader (formerly Palm Digital Media/Peanut Press)
Published as a .pdb
eReader is a program for viewing Palm Digital Media electronic books. Versions are available for PalmOS, PocketPC, Symbian OS, Windows, Windows Mobile Editions, Windows Mobile Smartphone, and Macintosh. The reader shows text one page at a time as paper books do. eReader supports embedded hyperlinks and images. Most eReader formatted books are encrypted, with the key being the purchaser's full name and credit card number. This information is not stored in the ebook though. A one-way hash is used, so there is little or no risk of the user's information being extracted.
Desktop Author
Published as a .DNL or EXE
Desktop Author is an electronic publishing suite that allows creation of digital web books with virtual turning pages. Digital web books of any publication type can be written in this format, including brochures, e-books, digital photo albums, e-cards, digital diaries, online resumes, quizzes, exams, tests, forms and surveys. DesktopAuthor packages the e-book into a ".dnl" or ".exe" book. Each can be a single, plain stand-alone executable file which does not require any other programs to view it. DNL files can be viewed inside a web browser or stand-alone via the DNL Reader.
Newton eBook
Published as an ."pkg" and more commonly known as an Apple Newton book; a single Newton package file can contain multiple books (for example, the three books of a trilogy might be packaged together).
All systems running the Newton operating system (the most common include the Newton MessagePads, eMates, Siemens Secretary Stations, Motorola Marcos, Digital Ocean Seahorses and Tarpons) have built-in support for viewing Newton books. The Newton package format was released to the public by Newton, Inc. prior to that company's absorption into Apple Computer. The format is thus arguably open and various people have written readers for it (writing a Newton book converter has even been assigned as a university-level class project[2]).
Newton books have no support for DRM or encryption. They do support internal links, potentially multiple tables of contents and indexes, embedded grayscale images, and even some scripting capability (for example, it's possible to make a book in which the reader can influence the outcome).[3]
Newton books utilize Unicode and are thus available in numerous languages.
An individual Newton book may actually contain multiple views representing the same content in different ways (such as for different screen resolutions).
Apabi
Published as ".xeb" or ".ceb".
Apabi is a format deviced by Founder Electronics. It is a popular format for Chinese e-books. It can be read using the Apabi Reader software, and produced using Apabi Publisher. Both .xeb and .ceb files are encoded binary files. The Iliad e-book device includes an Apabi 'viewer'
iPod Notes
Notes is a feature of iPod that allows short text notes to be displayed on the iPod screen. As the size limit for one note is 4096 bytes, there are some tools (e.g. iPod eBooks creator) that create the notes from the longer plain text file. Basic HTML is allowed, but otherwise the format is plain text only.
Libris
e-book device by iRiver
Published as ".lbr" or ".bin".
Libris is a Java based eBook reader for mobile devices such as cell phones. Libris will run on most Java enabled devices that support MIDP. The reader formats books to fit the device screen, and shows one page at a time using high quality anti-aliased fonts. Books may employ encryption or be unrestricted. Libris content may be produced using the MakeLibris tool. The Libris reader also supports the PalmDoc format.
Mobipocket
Published as a .prc
The Mobipocket e-book format based on the Open eBook standard using XHTML can include JavaScript and frames. It also supports native SQL queries to be used with embedded databases. There is a corresponding e-book reader. The Mobipocket encryption system is not a password based system. Its DRM relies on the PDA hardware serial number.[citation needed]
A free e-book of the German Wikipedia has been published in Mobipocket format;
The Mobipocket Reader has a home page library. Readers can add blank pages in any part of a book and add free-hand drawings. Annotations — highlights, bookmarks, corrections, notes, and drawings — can be applied, organized, and recalled from a single location. Mobipocket Reader has electronic bookmarks, and a built-in dictionary
The reader has a full screen mode for reading and support for many PDAs, Communicators, and Smartphones. Mobipocket products support most Windows , Symbian , BlackBerry and Palm operating systems, but not Linux, or Macintosh.
Source : http://en.wikipedia.org/wiki/Ebook
Ebook, e-book
DNL format is an e-Book format, one which replicates the real life alternative, namely page turning Books. The DNL e-Book is developed by [DNAML Pty Limited] an Australian company established in 1999. THE DNL e-Book can be produced using DeskTop Author or DeskTop Communicator.
Plain text files
E-books in plain text exist and are very small in size.
Image files
An e-book can be distributed as a sequence of images, one for each page. In this way, any image format can be used as an e-book format. This method of distribution produces files much larger than all others, and also has the disadvantage that the user cannot select text, nor can the e-book be read by a screen reader. Distribution as images is most suitable for comic books, books about art, or other very visual works.
Hyper Text Markup Language
Commonly known as HTML
HTML is the markup language used for most web pages. E-books using HTML can be read using a standard browser (e.g., Mozilla, Firefox, or Microsoft Internet Explorer), with no need for special equipment. These files can be in ASCII format or in Unicode formats like UTF-8.
HTML has the disadvantage that it is somewhat complex and offers an additional learning hurdle before one can write in it. While it offers considerably superior layout control compared to plain text, it is significantly more difficult for the lay person to create pages in it. WhatYouSeeIsWhatYouGet (WYSIWYG) html editors overcome this to a large degree, but not completely. Naturally, for one simply interested in reading something, this is not a consideration, as the complexity of the file is behind the scenes.
However, it does enlarge the document considerably, requiring more storage space for a given work, even if images are not used to illustrate it. With modern memory being less and less expensive, this is not the challenge it once was.
Open Electronic Book Package Format
Commonly known as OPF FlipBook
OPF is an xml-based e-book format created by E-Book Systems. E-books created in OPF format are known as FlipBooks and capable of integrating multimedia contents such as video, audio, animation and images.
FlipBooks are presented in a 3D page-flipping interface via an electronic book viewer / web browser, that is FlipViewer®.
NISO Z39.86 Format
Commonly known as DAISY
DAISY is an xml-based e-book format created the DAISY international consortium of libraries for people with print disabilities.
DAISY implementation have focused on two main types: audio e-books and text e-books. A subset of the DAISY format has been adopted by law in the United States as the National Instructional Material Accessibility Standard, and K-12 textbooks and instructional materials are now required to be provided to students with disabilities.
FictionBook
FictionBook is a popular XML-based e-book format, supported by free readers such as Haali Reader and FBReader. See http://haali.cs.msu.ru/pocketpc/FictionBook_description.html
Text Encoding Initiative
TEI Lite is the most popular of the TEI-based (and thus XML-based or SGML-based) electronic text formats.
Plucker
Plucker is a free e-book reader application with its own associated file format and software to automatically generate plucker files from HTML files, web sites or RSS feeds. The format is a compressed HTML archive, somewhat like Microsoft's CHM.
CHM Format
Also known as Microsoft Compressed HTML Help
CHM format is a proprietary format based HTML. Multiple pages and embedded graphics are distributed along with proprietary metadata as a single compressed file. In contrast, in HTML, a site consists of multiple HTML files and associated image files in standardized formats.
Portable Document Format
Published as a pdf
A file format created by Adobe Systems, initially to provide a standard form for storing and editing printed publishable documents. Because documents in .pdf format can easily be seen and printed by users on a variety of computer and platform types, they are very common on the World Wide Web. But since they are designed to reproduce page images, and the text cannot be re-flowed to fit the screen width, PDF files designed for printing on standard paper sizes are hard to view on screens with limited size or resolution.
Adobe has addressed the issue of people viewing PDF files on smaller screens as are found on PDAs (Personal Digital Assistants). Adobe's Acrobat Reader for the PDA now has a re-flow facility. Unfortunately, certain settings need to be in place at the time the PDF document is created for it to be re-flow-able, which means many existing PDF documents won't benefit from this new feature. These settings can be found at Reflow the contents of Adobe PDF documents: Tutorial.
PDF files are created mainly using Adobe Acrobat, but Acrobat Capture and other Adobe products also support their creation, as do third-party products such as PDFCreator, OpenOffice.org, and FOP. Acrobat Reader (now simply called Adobe Reader) is Adobe's product used to view PDF files. PDF files typically contain product manuals, brochures, magazine articles, or flyers as they can embed fonts, images, and other documents. A PDF file contains one or more page images, each of which you can zoom in on or out from. The PDF format can include interactive elements such as buttons for forms entry and for triggering sound and Quicktime or AVI movies. Acrobat PDF files are optimized for the Web by rendering text before graphic images and hypertext links. Adobe's PDF-like e-book format is incorporated into their reader.
PostScript
Published as .ps
PostScript is a page description language used primarily in the electronic and desktop publishing areas for describing the contents of a printed page in a higher level than the actual output bitmap.
DjVu
Published as .djvu
DjVu is a file format that has been long in obscurity, but that is starting to surface now that free tools to manipulate the files are available.
DjVu is a format that particularly excels in storing scanned images. There are even advanced compressors especially specializing in low-color images, such as text documents. Individual files may contain single pages, or they can be collections of multiple pages.
The images are divided in separate layers (such as multi-color, low-resolution, lossily-compressed background layer, and few-colors, high-resolution, tightly-compressed foreground layer), each compressed in best applicable method. The files are also designed to decompress very fast, even faster than vector-based formats.
The advantage of DjVu is that it is possible to take a high-resolution scan (300-400 DPI), good enough for both on-screen and printing, and store it very efficiently. Several dozens of 300 DPI black-and-white scans can be stored in less than a megabyte.
Microsoft LIT
Published as an .lit
LIT files are only readable in the proprietary Microsoft Reader program, as the .LIT format, otherwise similar to Microsoft's CHM format, includes Digital Rights Management features.
The MS reader uses patented ClearType® display technology.
In Reader navigation works with a keyboard, mouse, stylus, or through electronic bookmarks. The Catalogue Library records reader books in a personalized "home page", and books are displayed with ClearType to improve readability. A user can add annotations and notes to any page, create large-print e-books with a single command, or create free-form drawings on the reader pages. A built-in dictionary allows the user to look up words.
eReader (formerly Palm Digital Media/Peanut Press)
Published as a .pdb
eReader is a program for viewing Palm Digital Media electronic books. Versions are available for PalmOS, PocketPC, Symbian OS, Windows, Windows Mobile Editions, Windows Mobile Smartphone, and Macintosh. The reader shows text one page at a time as paper books do. eReader supports embedded hyperlinks and images. Most eReader formatted books are encrypted, with the key being the purchaser's full name and credit card number. This information is not stored in the ebook though. A one-way hash is used, so there is little or no risk of the user's information being extracted.
Desktop Author
Published as a .DNL or EXE
Desktop Author is an electronic publishing suite that allows creation of digital web books with virtual turning pages. Digital web books of any publication type can be written in this format, including brochures, e-books, digital photo albums, e-cards, digital diaries, online resumes, quizzes, exams, tests, forms and surveys. DesktopAuthor packages the e-book into a ".dnl" or ".exe" book. Each can be a single, plain stand-alone executable file which does not require any other programs to view it. DNL files can be viewed inside a web browser or stand-alone via the DNL Reader.
Newton eBook
Published as an ."pkg" and more commonly known as an Apple Newton book; a single Newton package file can contain multiple books (for example, the three books of a trilogy might be packaged together).
All systems running the Newton operating system (the most common include the Newton MessagePads, eMates, Siemens Secretary Stations, Motorola Marcos, Digital Ocean Seahorses and Tarpons) have built-in support for viewing Newton books. The Newton package format was released to the public by Newton, Inc. prior to that company's absorption into Apple Computer. The format is thus arguably open and various people have written readers for it (writing a Newton book converter has even been assigned as a university-level class project[2]).
Newton books have no support for DRM or encryption. They do support internal links, potentially multiple tables of contents and indexes, embedded grayscale images, and even some scripting capability (for example, it's possible to make a book in which the reader can influence the outcome).[3]
Newton books utilize Unicode and are thus available in numerous languages.
An individual Newton book may actually contain multiple views representing the same content in different ways (such as for different screen resolutions).
Apabi
Published as ".xeb" or ".ceb".
Apabi is a format deviced by Founder Electronics. It is a popular format for Chinese e-books. It can be read using the Apabi Reader software, and produced using Apabi Publisher. Both .xeb and .ceb files are encoded binary files. The Iliad e-book device includes an Apabi 'viewer'
iPod Notes
Notes is a feature of iPod that allows short text notes to be displayed on the iPod screen. As the size limit for one note is 4096 bytes, there are some tools (e.g. iPod eBooks creator) that create the notes from the longer plain text file. Basic HTML is allowed, but otherwise the format is plain text only.
Libris
e-book device by iRiver
Published as ".lbr" or ".bin".
Libris is a Java based eBook reader for mobile devices such as cell phones. Libris will run on most Java enabled devices that support MIDP. The reader formats books to fit the device screen, and shows one page at a time using high quality anti-aliased fonts. Books may employ encryption or be unrestricted. Libris content may be produced using the MakeLibris tool. The Libris reader also supports the PalmDoc format.
Mobipocket
Published as a .prc
The Mobipocket e-book format based on the Open eBook standard using XHTML can include JavaScript and frames. It also supports native SQL queries to be used with embedded databases. There is a corresponding e-book reader. The Mobipocket encryption system is not a password based system. Its DRM relies on the PDA hardware serial number.[citation needed]
A free e-book of the German Wikipedia has been published in Mobipocket format;
The Mobipocket Reader has a home page library. Readers can add blank pages in any part of a book and add free-hand drawings. Annotations — highlights, bookmarks, corrections, notes, and drawings — can be applied, organized, and recalled from a single location. Mobipocket Reader has electronic bookmarks, and a built-in dictionary
The reader has a full screen mode for reading and support for many PDAs, Communicators, and Smartphones. Mobipocket products support most Windows , Symbian , BlackBerry and Palm operating systems, but not Linux, or Macintosh.
Source : http://en.wikipedia.org/wiki/Ebook