Which  site that has an online library that allows you to read any books on the spot?
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http://onlinebooks.library.upenn.edu has great set of texts for downloading - but you could just sit online and read them.\n\nwww.gutenberg.org\n\nwww.free-ebooks.net\n\nFor what type of book are you looking?
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u can refer to http://safari.phptr.com/  for the books u want for any reference. U can read the books u require online.
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try the local library.
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Libraries!  Some museums also have libraries you can check out
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try the library thing 1!
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www.amazon.com\nwww.abebooks.com\nwww.half.com\nwww.alibris.com
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BookCrossing.com \n♥♥
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any good bookstore, amazon.com, half.com, the public library, and on and on and on
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get off the computer and into the books
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you can go to the library and check out books or just do a search run on the computer
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Books: gutenberg.org\n\nMovies and anything else: archive.org
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www.gutenberg.org \nand blackmask.com \nhave thousands of free legal ebooks, but most are classics etc.
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http://www.gutenberg.org/
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http://www.digilife.be/quickreferences/books.htm\n\nhttp://e-books.amagrammer.net/\n\nhttp://www.flazx.com/\n\nhttp://www.geocities.com/vivekjain_meerut/HomePage/Pages/links_free_ebooks.html
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amazon.com it has all kind of useful review of books and anything else you can buy on line
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http://www.classicreader.com/author.php/aut.24/
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What you are looking for is called a "book".