Please note, for convenience I've just used Amazon links but I highly recommend you look for secondhand copies as you can save a lot of money that way.

The Elephant and The Twig - Geoff Thompson

Fear: The friend of exceptional people - Geoff Thompson

Awesome Sauce - Joseph McClendon III

Get Happy NOW! - Joseph McClendon III

Awaken the Giant Within / Unlimited Power - Tony Robbins

Money: Master the Game - Tony Robbins

Think and Grow Rich - Napoleon Hill

The 7 Habits Of Highly Effective People - Stephen R. Covey

The Road Less Travelled - M. Scott Peck

How to Win Friends and Influence People - Dale Carnegie

The Power of Positive Thinking - Norman Vincent Peale