buying textbooks

buying textbooks

I'll soon be a poor college student and was wondering how to get cheap textbooks. As soon as I know what books I need I'll check out half.com, but I was hoping for other tips. I also seem to recall someone mentioning (maybe not here) a textbook exchange website where you get points by sending out your old books and can then use them to get free books. Does anyone know of something like this?
redone living room and study

redone living room and study

what’s this plant?

what’s this plant?

Squash Beetles?

Squash Beetles?

New and Improved

New and Improved

New Houseplants

New Houseplants

Balcony garden

Balcony garden