Science fiction and fantasy author, also published as:

• Andy Offutt
• John Cleeve. Much of his work as John Cleeve is sf erotica.
• Jeff Douglas
• J. X. Williams

Spaceways, as John Cleve:

1. Of Alien Bondage
2. Corundum's Woman
3. Escape from Macho
4. Satana Enslaved
5. Master of Misfit
6. Purrfect Plunder
7. The Manhuntress with Geo W. Proctor
8. Under Twin Suns
9. The Quest of Qalara
10. The Yoke of Shen with Geo W. Proctor
11. The Iceworld Connection with Jack C. Haldeman II and Vol Haldeman
12. Star Slaver with G. C. Edmondson
13. Jonuta Rising! with Victor Koman
14. Assignment: Hellhole with Robin Kincaid
15. Starship Sapphire with Roland J. Green
16. The Planet Murderer with Dwight V. Swain
17. The Carnadyne Horde with Victor Koman
18. Race Across the Starsi> with Robin Kincaid
19. King of the Slavers

Cormac Mac Art

1. Sword of the Gael
2. The Undying Wizard
3. The Mists of Doom
4. When Death Birds Fly with Keith Taylor
5. The Tower of Death with Keith Taylor
6. The Sign of the Moonbow

Conan

• Conan and the Sorcerer
• The Sword of Skelos
• Conan the Mercenary

War of the Wizards

1. Demon in the Mirror with Richard Lyon
2. The Eyes of Sarsis with Richard Lyon
3. Web of the Spider with Richard Lyon

War of the Gods on Earth

1. The Iron Lords
2. King Dragon
3. Shadows Out of Hell
4. The Lady of the Snowmist

Thieves' World

Shadowspawn

Evil is Live Spelled Backwards

Barbarana as John Cleve

The Devoured as John Cleve

Fruit of the Loins as John Cleve

Jodinareh as John Cleve

The Juice of Love as John Cleve

Manlib! as John Cleve

The Great 24-Hour Thing

The Sex Pill as J. X. Williams

The Balling Machine as Jeff Douglas with D. Bruce Berry

The Castle Keeps

Ardor on Aros

The Galactic Rejects

Messenger of Zhuvastou

The Sexorcist as John Cleve

Genetic Bomb with D. Bruce Berry

The Black Sorcerer of the Black Castle

Chieftan of Andor

My Lord Barbarian

Deathknight

The Shadow of Sorcery