Editions of Dianetics, the modern science of mental health

553 pages

English language

Published 1950 by Church of Scientology of California, Publications Organization.

Hardcover

English language

Published by Church of Scientology of Information Service.

628 pages

English language

Published 1987 by Bridge Publications.

English language

Published 1950 by New Era.

mass market paperback

Published 1987 by Bridge Publications, Inc..

660 pages

English language

Published 1992 by New Era.

506 pages

Chinese language

Published 1999 by Bridge Publications.

English language

Published 1950 by Scientology Publications Organisation.

English language

Published 1987 by New Era.