If you want to find out more about Dianetics and Scientology, the best way to do this is to read an L. Ron Hubbard book on the subject. I personally recommend you read The Scientology Handbook.
This book really helped me with living a happy life. In it is a wealth of valuable information. Every time I open it I know that I am improving my situation. There are clear guidelines that guide one through every aspect of life.