Simplicity

Lateral Thinking: A Textbook of Creativity

Lateral Thinking: Creativity Step by Step

Atlas of Management Thinking

Six Thinking Hats: The multi-million bestselling guide to running better meetings and making faster decisions

Serious Creativity: How to be creative under pressure and turn ideas into action

Sur/petition: The New Business Formula to Help You Stay Ahead of the Competition

How To Have A Beautiful Mind

I Am Right, You Are Wrong

Teach Yourself To Think

How to be More Interesting: Change how you see yourself and how the world sees you

H+ (Plus) A New Religion?

Lateral Thinking: An Introduction

Handbook for a Positive Revolution: The Five Success Principles for Personal and Global Change

Think!: Before It's Too Late

Teach Your Child How To Think

The Happiness Purpose

Free or Unfree?: Are Americans Really Free?

Future Positive

Textbook of Wisdom: Shortcuts to Becoming Wiser Than Your Years