Leibniz's Naturalized Philosophy of Mind
Larry M. Jorgensen
Battle of the Atlantic - World War II: A History from Beginning ...
Hourly History
Principles of Mathematical Problem Solving
Martin J. Erickson & Joe Flowers
Circle Inversions - fun with a serious undertone (Essay)
Kees van der Laan
Double Star
Robert A. Heinlein
Key Bible Concepts
David W. Gooding & John Carson Lennox