List of free websites for ebooks

 Here a list of Website where you can find very nice books (in pdf/djvu/chm format)

http://it-ebooks.info/

http://www.allitebooks.com/

http://libgen.io

http://bookzz.org/ or http://en.bookfi.org/
 
http://mirknig.com (in Russian, but you can use google translator on it)

http://booksee.org/

http://bib.tiera.ru 


http://ebook-dl.com/ 

http://lib.org.by/   

http://mirtitles.org/  specialized in the MIR titles Good old stuff!