Wikibooks is dedicated to developing and disseminating free, open content textbooks and other classroom texts. We currently host 5666 textbook modules, in various stages of development, from those needing a lot of work to those that are nearly perfect.
World’s largest eBook Consortia Housed in World eBook Library Multi-Terabyte server network is the world's largest digital archive of PDF eBooks and eDocuments. Our collection hosts more than 330,000+ PDF eBooks and eDocuments.
is, perhaps, the oldest written story on Earth. It comes to us from Ancient Sumeria, and was originally written on 12 clay tablets in cunieform script. It is about the adventures of the historical King of Uruk (somewhere between 2750 and 2500 BCE).
This site provides a free physics textbook that tells the story of how it became possible, after 2500 years of exploration, to answer such questions. The book is written for the curious: it is entertaining, surprising and challenging on every page.
the home for language courses developed by the Foreign Service Institute. These courses were developed by the United States government and are in the public domain. This site is not affiliated in any way with any government entity; it is an independent, non-profit effort to foster the learning of worldwide languages.