The Collected Letters of C.S. Lewis, Volume 2: Books, Broadcasts, ...
C. S. Lewis
Rules for Radicals: A Pragmatic Primer for Realistic Radicals
Saul D. Alinsky
The Origins of the Slavic Nations: Premodern Identities in Russia, ...
Serhii Plokhy
An Introduction to Riemannian Geometry - Lecture Notes
Sigmundur Gudmundsson
Successful Operation
Robert A. Heinlein