Used Math Textbooks

What is the best online site, to sell used textbooks on?

They cost so much, so i'm trying to get some kind of decent money back for em.

Public Comments

1. I would say half.com . They take a small commission but do most of the work for you. I just sold a bunch. http://www.half.ebay.com/
2. goto www.freeusa.co.nr and you will find everything free + all details about good online shopping sites. free~~~