At Tom Cruise's recent interview on ABC television he recommended a Scientology book for anyone interested in finding out more about Scientology.
This book is called Scientology - Fundamentals of Thought. This book covers essential basics of Scientology and has datums that you can apply to life in any aspect.
You can get more information from a site that is featuring the book. It is called truthbooks.com.
Also the main publisher for the book is Bridge Publications where you can get more information on this book and other titles on Scientology.