The official guide to the GRE revised general test (ETS) - $5. Light pencil markings inside.
New GRE Kaplan math workbook - $5. Light pencil markings on a few pages.
CS 106B Jerry Cain Coursereader - $5.

History 195J/ Hist295J books:
Daughters of the Canton Delta - $7
Women and the family in rural Taiwan - $15 (like new)
Engendering the Chinese Revolution - $15 (like new)
Women in the Chinese enlightenment - $15
The inner quarters - $5 (like new)

Stats 60/ stats 116 textbook (A first course in probability, Sheldon Ross) - $10

CS103 Introduction to Theory of Computation (Plummer) - free