The Mind Is the Final Weapon: A Scientific View of the Fairbairn System
Battlefield of the Mind (30th Anniversary Edition): Winning the Battle in Your Mind
Rare and Unusual Knowledge for Smart Boys: Amazing Truths, Cool Discoveries & Mind-Blowing Facts for Curious Young Thinkers (The Rare & Unusual ... Fuel the Curiosity. Empower the Mind.)
Why the Universe Is the Way It Is: Understanding Cosmic Perplexities, Humanity's Existence, and the Hidden Purposes for the Universe (Reasons to Believe)
The Laws of Thought: The Quest for a Mathematical Theory of the Mind
