Brian Tracy
How to Delegate the Right Tasks to the Right People
Effective Management Skills for Leadership Success
Brian Tracy International, 2012
Unlimited Sales Success
12 Simple Steps for Selling More Than You Ever Thought Possible
AMACOM, 2013
12 Disciplines of Leadership Excellence
How Leaders Achieve Sustainable High Performance
McGraw-Hill, 2013
Kiss That Frog!
12 Great Ways to Turn Negatives into Positives in Your Life and Work
Berrett-Koehler, 2012
How the Best Leaders Lead
Proven Secrets to Getting the Most Out of Yourself and Others
AMACOM, 2010