| ▲Título▼ | ▲C▼ | ▲Año▽ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| A Hard Road to Travel (junto a Adam Denton, David Lee Ingersoll, Bradley McDevitt y Marco Morte) |   | 2010 | — | Escritor |
| Ghost Light | | 2009 | — | Escritor |
| Deities of the Mythos (junto a Phil Anderson, Marion Anderson, Scott David Aniolowski et al.) |  | 2006 | — | Escritor |
| Creatures of the Mythos (junto a Marion Anderson, Scott David Aniolowski, Bruce Ballon et al.) | | 2006 | — | Escritor |
| Unpleasant Dreams (junto a Scott David Aniolowski, Paul Carrick y Drashi Khendup) | | 2001 | — | Escritor |
| Campbell Country (junto a Scott David Aniolowski, Paul Carrick y Drashi Khendup) | | 2001 | — | Escritor |
| Blessed Be (junto a Paul Carrick y Drashi Khendup) | | 2001 | — | Escritor |
| The Innsmouth Connection | | 1998 | 7.00 | Escritor |
| Song of the Spheres | | 1995 | 4.00 | Escritor |
| In the Shadows of Death | | 1995 | — | Escritor |
| Devil's Hole | | 1995 | — | Escritor |
| The King of Chicago | | 1994 | — | Escritor |
| Creatures of the Mythos (junto a Scott David Aniolowski, Fred Behrendt, John Carnahan et al.) | | 1994 | — | Escritor |
| The Gates of Delirium (junto a Blair Reynolds) | | 1992 | — | Escritor |
