Innovation Games: Creating Breakthrough Products Through Collaborative Play
Serious games provide an unparalleled platform for gaining insight into people, processes, systems, and structures. Oh, and they make business way more fun!
Courage: The Backbone of Leadership
Punk Marketing
Rules of the Red Rubber Ball: Find and Sustain Your Life's Work [RULES OF THE RED RUBBER]
The Red Rubber Ball at Work: Elevate Your Game Through the Hidden Power of Play [RED RUBBER BALL AT WORK]
Blue Ocean Strategy: How to Create Uncontested Market Space and Make Competition Irrelevant

Make Wining a Habit is one of my favorite pragmatics reads about complex selling.