All books in great condition.

　　Society and Technological Change 6th edt by Rudi Volti - $40

　　Foundations First and The Great Grammar Book - $50. We paid $100 new for these.

　　Elementary Technical Mathematics 10th edt by Dale Ewen and C. Robert Nelson - $100.

　　We paid over $200. The used book stores sell this book for 135 and up.

　　Will make a deal if you want all 4. Call or text me at .