Charles Phillips
50 Puzzles for Tactical Thinking
How to Think
Illustrated History of Islam
Forests of the Vampire
"Tactical Thinking: 50 Brain-Training Puzzles to Change the Way You Think"
Realm of the Rising Sun
50 Puzzles For Creative Thinking
Encyclopedia of Wars
The Complete Illustrated History of Crusades & The Crusader Knights
Voices of the Ancestors
50 Puzzles for Logical Thinking
How to Think
An Illustrated History Of The Crusades And The Crusader Knights
Brain-Balance Booster