Thinkertoys: A Handbook of Creative-Thinking Techniques (2nd Edition) by Michael Michalko
One Amazon reviewer summarized Thinkertoys best, when he said “Consider this the Bible of creative thinking”. Written by Michael Michalko, Thinkertoys will give you a number of tools that you can use to increase your creativity. These include puzzles, tips, and experiments that will force you to think outside the box. Learn More