I am Selling
Stewart. "Single Variable Calculus" 4th Ed. Used for math 41 and 42. $80
Spencer. "Chemistry: Structure and Dynamics." 4th Ed. Used for chem 31 $80
Colombi. "Palabra Abierta" 2nd Ed. Used for Spanish $45
Alfano and O'brien. "Envision: Writing and Researching Arguments" 2nd Ed. Used in PWR. $20

email me back if youre interested, catica12@stanford.edu
Also, if youre selling Humbio books, let me know.
Thanks,
Catalina