WikiBooks – Collection of Open Content Textbooks

Wikibooks – Free Open Content TextBooks
http://en.wikibooks.org/wiki/Main_Page

Wikibooks is a collection of free, open-content textbooks that you can edit. They have 13,357 book modules in over 1000 books. This has been added to Reference Resources Subject Tracer™ Information Blog. This will be added to Academic Resources 2006 Internet MiniGuide. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.