Train Your Brain: Teach Yourself

Moonwalking with Einstein: The Art and Science of Remembering Everything

Brain Boot Camp: The ultimate mental workout: Mensa-level logic, verbal and numerical tests

Fluent Forever (Revised Edition): How to Learn Any Language Fast and Never Forget It

Advanced Brain Training: Lateral thinking tests and Mensa-level puzzles to hone your mental agility

The Memory Book: The Classic Guide to Improving Your Memory at Work, at School, and at Play

Keep Your Brain Sharp: Teach Yourself

Mind & Brain Hacking for Beginners

Build Your Brain Power: The Art of Smart Thinking

The Science of Getting Rich (The Unabridged Classic by Wallace D. Wattles)

A Mind For Numbers: How to Excel at Math and Science (Even If You Flunked Algebra)

How to Take Smart Notes: One Simple Technique to Boost Writing, Learning and Thinking

How to Develop a Brilliant Memory Week by Week: 52 Proven Ways to Enhance Your Memory Skills

The Disease to Please: Curing the People-Pleasing Syndrome

Change Your Brain, Change Your Body: Use Your Brain to Get and Keep the Body You Have Always Wanted

Brain Training: A Complete Guide to Master Your Brain (The Fun Workout for the Memory and Mind to Stimulate Conversation)