$20 - Principles of Heating Ventilating and Air Conditioning - 7th Edition - Howell, Coad, & Sawyer $20 - College Physics - 2nd Edition - Knight, Jones, & Field $20 - Basic Technical Mathematics with Calculus, SI Version - 9th Edition - Washington $20 - Fundamentals of Thermal-Fluid Sciences - 4th Edition - Cengel, Cimbala, & Turner Located at Eagle Creek Village.