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 Scientology: A New Slant on Life.
This book really helped me with A spiritual comprehension of man, Have you wondered if you could be happy? Have you felt like a slave in a society who is continually speaking about freedom? Have you ever felt that you are not a piece of meat? What is the basic mystery? if you could be a spirit which could be your basics? Do you want to solve your riddles? Read it!