A bit over 40,000. To get an exact number go to the advanced search and search books in all scan qualities, all languages and all subject areas. Leave the search fields blank. The first page of results should say results 1 through 10 of "number of books in the collection." In a message dated 9/21/2008 8:58:01 P.M. Eastern Daylight Time, p.wildcat1234@xxxxxxxxx writes: Hello list this is kenny. How many books is there in the bookshare collection? **************Looking for simple solutions to your real-life financial challenges? Check out WalletPop for the latest news and information, tips and calculators. (http://www.walletpop.com/?NCID=emlcntuswall00000001)