C.S. · Church of Scientology International · O's
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Scientology Handbook | 978-0-88404-899-2 (0-88404-899-3) | 1994 | L. Ron Hubbard |
| What is Scientology?: The comprehensive reference on the world's fastest growing religion | 978-87-7336-909-8 (87-7336-909-8) | 1992 | |