Free Books
If you are looking for PDF documents (articles, manuals and ebooks) for your Kindle, Nook or iPad you can download free from 200 million books at: http://findpdf.net or http://findpdfbooks.com
Another great site is: http://knowfree.net/
Very good site
you can request books, but sometimes alot come in at oncew and it takes a while to get them up
Very organized had a picture of the cover and a desription of each book split into genres