The Time of Our Lives The Ethics of Common Sense
Mortimer Jerome Adler
Principles of Neurotheology
Andrew B. Newberg
The Riemann Approach to Integration: Local Geometric Theory
Washek F. Pfeffer
Firepower: How Weapons Shaped Warfare
Paul Lockhart
God's Battalions: The Case for the Crusades
Rodney Stark
CK-12 Geometry
Ck-12 Foundation