the open-content textbooks collection that anyone can edit.
Small Flag of the United Nations ZP.svg
This collection of e-primers, on the subjects of Free Open Source Software and Information and Communications Technology has been donated to Wikibooks by the UNDP-APDIP.
Wikijunior Animal Alphabet.jpg
Children can explore all the wild letters with their animal pals in Animal Alphabet.


Hamburger sandwich.jpg
A Hamburger (or, less frequently, a hamburg) is a variant on a sandwich involving a patty of ground meat, usually beef (known in the United Kingdom as a beefburger), or a vegetarian patty.
Wikibooks is hosted by the Wikimedia Foundation, which also hosts:

Wikiversity
Wikiversity
Learning resources

Wikipedia
Wikipedia
Encyclopedia

Wiktionary
Wiktionary
Dictionary and thesaurus

Wikiquote
Wikiquote
Quotations

Wikisource
Wikisource
Documents

Wikispecies
Wikispecies
Species directory

Wikinews
Wikinews
News reports

Wikivoyage
Wikivoyage
Travel guide

Wikidata
Wikidata
Knowledge database

Wikimedia Commons
Commons
Media repository

Meta Wikimedia
Meta
Coordination

MediaWiki
MediaWiki
MediaWiki software

Wikimedia Labs
Wikimedia Labs
MediaWiki development

Language