I have four GRE Prep books for sale for a great value.

Essential Words for the GRE - Barrons 2007 ($9)
GRE Premier Program - Kaplan 2008 Edition. 5 full length tests and over 300 additional practice questions ($20)
Cracking the GRE - The Princeton Review 2010 Edition. 4 full length tests, 300 practice questions, DVD tutorials ($23)
GRE Exam Math Workbook - Kaplan 7th Edition ($12)

None of the books have any writing in them and are in excellent condition.

All suggested as is or best offer. Discounted price for purchasing all books.

Able to hand deliver within bike ride of Stanford Campus.