I'm selling some undergraduate level engineering textbooks that I hope can still be used. Feel free to send your best offer as well. Title: Basic Heat and Mass Transfer (2nd Edition) 2nd Edition by A.F. Mills (Author) Hardcover Link: https://www.amazon.com/Basic-Heat-Mass-Transfer-2nd/dp/0130962473/ref=sr_1_2?s=books&ie=UTF8&qid=1535264071&sr=1-2&keywords=basic+heat+and+mass+transfer Condition: Great Price: $40 Title: Materials North American Edition w/Online Testing: Materials - North American Edition, Second Edition: engineering, science, processing and design 2nd Edition by Michael F. Ashby (Author), Hugh Shercliff (Author), David Cebon (Author) Hardcover Link: https://www.amazon.com/Materials-North-American-Online-Testing/dp/1856177432/ref=sr_1_3?s=books&ie=UTF8&qid=1535264192&sr=1-3&keywords=materials+engineering%2C+science%2C+processing+and+design Condition: Great Price: $40 Title: Feedback Control of Dynamic Systems (6th Edition) 6th Edition by Gene F. Franklin (Author), J. David Powell (Author), Abbas Emami-Naeini (Author) Hardcover Link: Condition: Good Price: $40 Title: Principles of Dynamics (2nd Edition) 2nd Edition by Donald T. Greenwood (Author) Paperback Link: Condition: Good Price: $70