Thousands of books can be downloaded from the following websites:
- http://en.bookfi.org/
- http://gen.lib.rus.ec/
- http://www.manybooks.net/
- http://www.wowebook.me/
- http://www.ebooksbay.org/
- http://science-eng.blogspot.com/
- http://www.ebookee.com/
- http://www.knowfree.net/
- http://www.freebookcentre.net/
- http://www.library.nu/
- http://www.gigapedia.org/
- http://www.gigle.ws/
- http://www.pdfchm.com/
- http://www.netbks.com/
As of today, the following links are not wrorking:
http://www.netbks.com/
http://www.library.nu/
http://www.gigapedia.org/
http://www.gigle.ws/
http://www.pdfchm.com/