Simple, clear and effective. Of all the many hundreds of business books on my shelves this one has been the most useful. Since first reading it in 1999 I have given away dozens of copies and seen great things achieved.
The Magic of Thinking Big - David J. Schwartz Another great self-help book on developing the habit of thinking and acting big. Includes lots of tools you can practice in your every day life. A book for those who desire greater succes.