Some of you may have already read some of these or already developed the knowledge in other ways. Simply choose those that do not duplicate and which help complete your working knowledge and perspective about life.
ESSENTIAL BASICS
Best to start off with:
Megaliving!, Robin S. Sharma - Despite the title, this is a very good 30 day program to install what is effective in life.
The Seven Habits Of Highly Effective People, Stephen Covey
Awaken The Giant Within, Tony Robbins
The Success Principles, Jack Canfield
A Guide To Rational Living, Albert Ellis
You, The Owner's Manual, Michael Roizen, M.D. and Mehmet Oz, M.D.
First Things First, Stephen Covey
Living The 80/20 Way, Richard Koch
MORE THINKING REQUIRED
The Three Laws Of Performance, Steve Zaffron and Dave Logan (appears to be a business book but it is about life; inspiring and powerful)