These books will serve most people well.  Not a finite list, by any means.

Some books for Business People:

ISBN  0-6717-9154-4

Awaken the Giant Within -- Anthony Robbins
Probably the most dynamic motivational speaker, Anthony Robbins teaches hugely effective tools
for you to use as you become used to accessing your fullest potential.

ISBN   0-7225-3839-1

The Journey -- Brandon Bays
The pioneer, whose amazing work the Potential Discovery processes are inspired by.

ISBN  0-6848-5839-8

The 7 Habits of Highly Effective People -- Stephen R. Covey
If you’re serious about personal development, this book will be on your bookshelf.
(whilst it’s not being well thumbed)

ISBN   0-0997-4100-8

Feel the Fear and Do It Anyway -- Susan Jeffers, Ph D
Discover how good it can feel to meet your fears head on.

ISBN   0-3991-4446-3
 
Who Moved My Cheese --  Dr Spencer Johnson
Recognise your own comfort zones, and how they impact on your ability to really achieve your desires.

There are many self help books available where personal finances are concerned.  These are a good place to start.

Books for Personal/Financial Improvement:

ISBN   0-85202-896-2

Be Your Own Financial Advisor  --  Jonquil Lowe

Good, sold, reliable, easy to follow guide from the 'WHICH?' organisation.

ISBN  0-340-79321-X

Your Money or Your Life  --  Alvin Hall

BBC's Personal Finance Coach