Don’t believe it?
Why not you try it yourself and then let me know. Actually, I’ve got this from lifehacker.biz. Feel free to try it!

BizBooktalk – Free book giveaway contests on Fridays
SwapThing – Community of users who swap items including books
BookCart – Internet paperback exchange
SF-Books – Exchange Sci-Fi Books here
PaperbackSwap – Swap books for free
MoochMuch – Organize your book lending with your friends
CHMPDF – A collection of general interest and technical e-books
LibraryElf – The perfect companion to a public library system

Scribd – Open library to publish and discover documents online
Online Books Page – Facilitates access to books that are freely readable over the Internet
Podiobooks – Free audio books that you can subscribe to with iTunes or any other pod catcher
BookRags – Research material in the form of eBooks
Technical Books Online – Old tech books from the “vacuum tube age” of electronics
Word Public Library – PDF ebooks for download
Free Tech Books – Free computer science and engineering books
Gutenberg Project Top 100 – Popular books from the oldest producer of free ebooks on the Internet
BookMooch – Community for exchanging used books
ebookSpyder – Specializes in technical books ranging anywhere from C# to AJAX
Google Book Search – Read the classics online
Dwalin – Plain text novels
Free Computer Books – Technical resources about
Librivox – Audio works and podcasts of books
CliffsNotes – Get the notes to cram for the exam
WIkibooks – Free textbooks
DailyLit – Receive small parts of books via email
ManyBooks – Free eBooks for your PDA, iPod, or eBook reader
BookCrossing – Where real books are released into the wild Bookins – Swap real books with other readers
WellToldTales – Free short story podcasts (like audio books, but shorter)
Realtime Publishers – free IT eBooks by many of the world’s best authors
TitleTrader – Swap books, movies, and music
ZunaFish – Trade your old media and books items for new titles you’d rather have
SwapSimple – Swap your used books here
eBookWorld – Technical resources
Flaxx – IT and computer books
Baen Library – Free science fiction and fantasy novels
LibraryThing – Social networking and free books
ebookSearchr – Google powered
Internet Archive – The Internet indexed – that includes a vast text library
BookYards – Books, videos, education materials
Memoware – Free books for your PDA

Still don’t believe it kaaa?