Structural Analysis: with applications to aerospace Structures by O. A. Bauchau and J.I. Craig: $20
Statistical Mechanics: Entropy, Order Parameters and Complexity. James P. Sethna: $20
Feedback Control Of Dynamic Systems (Fourth Edition): Gene F. Franklin/ J. David Powell. Abbas Emami-Naeini :$20
Physics: For scientists and engineers A strategic Approach: Volume 2 and 3: $20

Email me if you are interested!