http://www.chmpdf.com/ (foreign, huge book - computer class eBook)
Http://www.bookgo.org/ (foreign, classified according to the publisher, there are also some good books)
http://www.templatecn.com/
http://www.itebookhome.com/
http://www.itpub.net/ (domestic, there are many good books, download trouble, but free, no silver: L)
http://www.netyi.net/
http://www.itebook.org/
http://www.itepub.net/
http://www.epubcn.org/
http://book.yzcc.com/
http://www.wakebook.com/default.jsp
Http://resource.gameres.com/ (there are many game development resources)
