The Power of Positive Selling

Win!: Positive Negotiating and Decision Making for the Real World

30 Days to a More Powerful Vocabulary Second Edition: 700 Words You Need to Transform Your Career and Your Life Updated to Contain 100 New Terms Including AI, Social Media and New Technologies

Word Power for Business: 500 Words You Need to Transform Your Career and Your Life

30 Days to a More Powerful Business Vocabulary: The 500 Words You Need to Transform Your Career and Your Life

30 Days to a More Powerful Vocabulary: The 500 Words You Need To Know To Transform Your Vocabulary...and Your Life

The Science of Motivation: Strategies and Techniques for Turning Dreams Into Destiny

The Top 1%: Habits, Attitudes & Strategies For Exceptional Success

The Science of Money: How to Increase Your Income and Become Wealthy