[devane617]

I spend on average more than $100.00 per book.

[Little Ray]

Allowing for inflation, that sounds similar to what I paid for new books.

Needless to say, I didn’t buy many new books...

On the bright side, you get a little back when you sell them.

You can also get used textbooks at ABE:
http://www.abebooks.com/books/Textbooks/?cm_ven=homepage&cm_cat=sitestripe&cm_pla=link&cm_ite=TBC-Summer09