Dictionary of Philosophy
Alan Lacey
The Next Million Years
Charles Galton Darwin
The-Democracy-Pla[..] Preventing-and-Re[..]
Norman Eisen
The Scratch of a Pen: 1763 and the Transformation of North America
Colin G. Calloway
Boundary Value Problems of Mathematical Physics
Ivar Stakgold
Introduction to Automata Theory, Languages, and Computation
John E. Hopcroft & Rajeev Motwani & Jeffrey D. Ullman