Selling CS 106A textbook ( The Art and Science Of Java) $50 and if you buy the book, I will give away the course reader (Karel The Robot Learns java) for free. If you only want the course reader, that'd be $3.

Also selling:

Plato: the Republic ($7)
Galileo: Discoveries And Opinions Of Galileo ($7)
Aristotle: Physics ($10)
Newton: Philosophical Writings ($25)
Leibniz: Correspondence ($9)
Descartes: Philosophical Writings ($15)
Orgel: Impersonations ($30)