L Ron Hubbard's books are in libraries all around the world. Here's a letter from someone who found

"...a couple of thick books by L Ron Hubbard that talk about the power of the mind over the body, Scientology, and other similar things.

I read the introduction and I perceived that this was going to be a different book, a book which would 'stick' me to its pages for the day and leave me with something and so it was. For the first time I found the answers that I was looking for since some time, to actually say the truth I found many answers, conclusions that I had somehow thought about myself in regards to situations, things that no-one has ever told me before and that I never read about anywhere...."