Software Testing: A Craftsman’s Approach, Fourth Edition
Paul C. Jorgensen
Living Gnosis: A Practical Guide to Gnostic Christianity
Tau Malachi
Character and Social Structure: The Psychology of Social Institutions
Hans Heinrich Gerth & Charles Wright Mills
God's Battalions: The Case for the Crusades
Rodney Stark
Christian Philosophy: An Introduction
Etienne Gilson
Eine kurze Geschichte des Kosmos
Kenneth E. Wilber