amazon.com always has used books on sale. Most of those come rather cheap.

MazeMyan · Jan 17, 2009 3:24 PM

Try Half.com, good deal.

Guchha · Jan 17, 2009 3:32 PM

I would suggest campusi.com This site lists all the books available online and lists it according to the price. they also provide the coupon codes. I use only this site as it lists all the books from amazon, ebay et al.

civilnepali · Jan 17, 2009 7:21 PM

try http://dealoz.com/ .Like the website civilnepali suggested this website also list a list of stores with the cheapest books. It also has international versions of the book (which is exactly the same book but the only difference is that the cover is not hard cover). Hope this helps. Goodluck!

smile_07 · Jan 17, 2009 8:30 PM