Abebooks - Where over 40 million used, rare, out-of-print books are just a click away, online @ abebooks.com

Alibris - Whether you're searching for a long-lost children's book or your grandmother's favorite cookbook, find it at Alibris!

Biblio.com - Free shipping on used books

FREE practice ACT or SAT! Free practice tests for the GRE, MCAT, LSAT and more are also available!

Kohl's

Linens-N-Things - Shop the Clearance Center for up to 75% off at lnt.com

Questia - Huge Online Library! Research books, journals, articles and more. $9.95 per month!

Peterson's.com - Take Control of Your Future with Peterson's Test Prep!

Power-Glide

Stacks and Stacks -

Textbookx - TextbookX.com - New and Used textbooks and general books up to 90% 
off retail price.  Free Shipping on retail orders over $49.

Wal-Mart - Every Day Low Prices at Wal-Mart!

Zappo's: Free shipping on shoes at Zappos.com!