Wikibooks (en)

It is a Wikimedia community for creating a free library of educational textbooks that anyone can edit. Wikibooks began on July 10, 2003, since then Wikibooks has grown to include over 29,064 pages in a multitude of textbooks created by volunteers like you!

Approfondimenti:

Indirizzo principale di riferimento: http://en.wikibooks.org/wiki/Main_Page

Catalogo dei libri: http://en.wikibooks.org/wiki/Wikibooks:Card_Catalog_Office