And there's a video, too

http://www.dianetics.org/#/videos

http://www.dianetics.org/#/bookstore/product/how-to-use-dianetics-dvd-english

I think the great thing about this body of knowledge is that it explains exactly how the mind works. From there, you can learn how to help yourself, how to help others, and how to get help without falling into the traps of drugs and psychiatry.

The video is a bargain!