The Penguin Dictionary of Mathematics: Fourth Edition
R. David Nelson
The Idea of History
Robin George Collingwood
Forty Reasons I Am a Catholic
Peter J. Kreeft
The Nature of Infinitesimals
Peter F. Erickson
Language and Mind
Noam Chomsky
Milton Friedman on Freedom
Milton Friedman & editors
The Tribe (Societas)
Ben Cobley