| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Ultimate Evil | 978-0-553-27601-5 (0-553-27601-8) | 1989 |
| The Ultimate Evil: An Investigation into America's Most Dangerous Satanic Cult | 978-0-385-23452-8 (0-385-23452-X) | 1987 |
| Ultimate Evil: The Truth about the Cult Murders: Son of Sam and Beyond | 978-0-7607-1393-8 (0-7607-1393-6) | 1999 |
Bantam · Barnes & Noble · Doubleday