Eco100 Macroeconomics - $50 (good condition, minimal highlights)
Microeconomics - $50 (good condition, minimal highlights)

Com110 Business 5th edition - $60 (Like brand new)

CSC104 - Computer Science An Overview -$60 (like brand new)

MAT133 - Introductory Mathematical Analysis 11th edition - $60 (like brand new)


All of them come with study guides (except comp science which has none)

If you want more than 2 of them i can give you a nice discount.