Open eBook (OEB), or formally, the Open eBook Publication Structure (OEBPS), is a

legacy In law, a legacy is something held and transferred to someone as their inheritance, as by will and testament. Personal effects, family property, marriage property or collective property gained by will of real property. Legacy or legacies may refer ...

e-book An ebook (short for electronic book), also known as an e-book or eBook, is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. Alt ...

format which has been superseded by the

EPUB EPUB is an e-book file format that uses the ".epub" file extension. The term is short for ''electronic publication'' and is sometimes styled ''ePub''. EPUB is supported by many e-readers, and compatible software is available for most smartphones ...

format. It was "based primarily on technology developed by

SoftBook SoftBook was one of the first commercial handheld e-readers produced for reading e-books that released in 1998 by SoftBook Press, Inc. of Menlo Park, California. Overview The SoftBook, designed by IDEO and Lunar Design, featured a brown leather c ...

Press". and on

XML Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable ...

. OEB was released with a free version belonging to public domain and a full version to be used with or without DRM by the publishing industry. Open eBook is a

ZIP file ZIP is an archive file format that supports lossless data compression. A ZIP file may contain one or more files or directories that may have been compressed. The ZIP file format permits a number of compression algorithms, though DEFLATE is th ...

plus a

Manifest file A manifest file in computing is a file containing metadata for a group of accompanying files that are part of a set or coherent unit. For example, the files of a computer program may have a manifest describing the name, version number, license and t ...

. Inside the package a defined subset of

XHTML Extensible HyperText Markup Language (XHTML) is part of the family of XML markup languages. It mirrors or extends versions of the widely used HyperText Markup Language (HTML), the language in which Web pages are formulated. While HTML, prior ...

may be used, along with

CSS Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language such as HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS is a cornerstone techno ...

and

Dublin Core 220px, Logo image of DCMI, which formulates Dublin Core The Dublin Core, also known as the Dublin Core Metadata Element Set (DCMES), is a set of fifteen "core" elements (properties) for describing resources. This fifteen-element Dublin Core has ...

metadata. The default file extension is .opf (OEB Package Format).

Specification release history

* September 2007 – ''Open Publication Structure (OPS) 2.0,

. Released, supersedes the OEBPS 1.2'' * August 2002 – ''OEBPS 1.2 Recommended Specification Released'' * June 2001 – ''OEBPS 1.0.1 replaces OEBPS 1.0'' * September 1999 – ''Open eBook Publication Structure (OEBPS) 1.0 released''

Reader software

Adobe Digital Editions Adobe Digital Editions (abbreviated ADE) is an e-book reader software program from Adobe Systems, built initially (1.x version) using Adobe Flash. It is used for acquiring, managing, and reading e-books, digital newspapers, and other digital p ...

FBReader FBReader is an e-book reader for Linux, Microsoft Windows, Android, and other platforms. It was originally written for the Sharp Zaurus and currently runs on many other mobile devices, like the Nokia Internet Tablets, as well as desktop comp ...

– GPL e-book reader for Unix/Windows computers. *

Lexcycle Stanza Lexcycle was a software company that made electronic book reading software. They were responsible for Stanza, which ran on the iPhone, iPod Touch, Microsoft Windows and Apple Macintosh platforms. In April 2009, Lexcycle was acquired by Amazon.c ...

Mobipocket Mobipocket SA was a French company incorporated in March 2000 that created the .mobi e-book file format and produced the Mobipocket Reader software for mobile phones, personal digital assistants (PDA) and desktop operating systems. The Mobipoc ...

* Openberg Lector – cross-platform reader released under the

GPL The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general u ...

and based on

Mozilla Mozilla (stylized as moz://a) is a free software community founded in 1998 by members of Netscape. The Mozilla community uses, develops, spreads and supports Mozilla products, thereby promoting exclusively free software and open standards, wi ...

platform

Reader devices

Sony Reader The Sony Reader was a line of e-book readers manufactured by Sony, who produced the first commercial E Ink e-reader with the Sony Librie in 2004. It used an electronic paper display developed by E Ink Corporation, was viewable in direct sunlight, ...

– the Sony Reader PRS-505 supports the EPUB file format. *

Intel Reader The Intel Reader is a portable, handheld assistive technology device that allows users to take a photo of printed material and have it read back to them aloud. It was released in November 2009, supports English language images, and was sold in the ...

Barnes & Noble Nook The Barnes & Noble Nook (styled nook or NOOK) is a brand of e-readers developed by American book retailer Barnes & Noble, based on the Android platform. The original device was announced in the U.S. in October 2009, and was released the next m ...

Kobo eReader The Kobo eReader is an e-reader produced by Toronto-based Kobo Inc. The company's name is an anagram of "book". The original version was released in May 2010 and was marketed as a minimalist alternative to the more expensive e-book readers avai ...

Audiobook and eMagazine library
/ref>

References

External links

Open eBook Forum

Openberg

Adobe's Sample eBook Library

Article "EPUB" at the MobileRead Wiki

ePub Validator - This utility allows to validate the epub file to ePub standards of 1.0.5
* https://github.com/idpf/epubcheck
EPUB Validator (beta)
Markup languages XML-based standards {{standard-stub

Specification release history

Reader software

Reader devices

See also

References

External links