Michael Simmons
The Art of Improvement, 2018
Carol Dweck
RSA, 2015
Destin Sandlin
Smarter Every Day, 2015
Life’s Greatest Lessons Are Gained from Our Losses
John C. Maxwell
Center Street, 2013
Game-Based Methods and Strategies for Training and Education
Karl M. Kapp
Pfeiffer, 2012
Transform the Business of Your Life and the Life of Your Business
Colin Crook et al.
Wharton School Publishing, 2005
Judy O'Neil and Victoria J. Marsick
AMACOM, 2007
