The Code Book
Simon Singh
Rationality: What It Is, Why It Seems Scarce, Why It Matters
Steven Pinker
Keynes the Man
Murray Newton Rothbard
A History of Philosophy
Wilhelm Windelband
The Toolbox Book
Jim Tolpin
Spectral Theory and Wave Operators for the Schrödinger Equation
A. M. Berthier
Catastrophe Theory and Its Applications
Tim Poston & Ian Stewart