• World of Warcraft: How to Win Friends, short story in the Warcraft: Legends anthology, TokyoPop/Blizzard, Los Angeles, August 2008
• Warriors: Ravenpaw, three-part manga tie-in to the Warriors YA novel series by Erin Hunter, TokyoPop/HarperCollins, Los Angeles, forthcoming
• Warriors: Tigerstar and Sasha, three-part manga tie-in to the Warriors YA novel series by Erin Hunter, TokyoPop/HarperCollins, Los Angeles, forthcoming
• Warriors: The Rise of Scourge, one-shot manga tie-in to the Warriors YA novel series by Erin Hunter, TokyoPop/HarperCollins, Los Angeles, forthcoming
• Warriors: The Lost Warrior, three-part manga tie-in to the Warriors YA novel series by Erin Hunter, TokyoPop/HarperCollins, Los Angeles, May 2007
• Angel: Choice Cuts, one issue in five-issue mini-series, IDW Studios, San Diego, 2006
• Chastity, five-issue mini-series, Chaos! Comics, Atlanta, publication uncertain
• Hell, Michigan, four-issue mini-series, FC9 Publishing, Morristown, 2005
• Firestorm, ongoing series, DC Comics, New York, 2004-2005
• Bloodhound, ongoing series, DC Comics, New York, 2004-2005
• G.I. Joe Vs. The Transformers II, four-issue mini-series, Devil’s Due / Image Comics, Chicago, 2005
• G.I. Joe Vs. The Transformers I, two issues in five-issue mini-series, Devil’s Due / Image Comics, Chicago, 2004
• Vampirella: The Choir in the Mist, one issue, Harris Comics, New York, 2004
• Metal Hurlant: Worship Service, short story, Humanoids Comics, Los Angeles, 2004
• Micronauts, ongoing series, Devil’s Due / Image Comics, Chicago, 2003-2004
• Voltron, ongoing series, Devil’s Due / Image Comics, Chicago, 2003-2004
• G.I. Joe Frontline: Icebound, four-issue mini-series, Devil’s Due / Image Comics, Chicago, 2003
• JSA: The Unholy Three, two 64-page volumes, DC Comics, New York, 2003
• Purgatori, ongoing series, Chaos! Comics, Phoenix, 2003-2004
• Sabretooth: Mary Shelley Overdrive, four-issue mini-series, Marvel Comics, New York, 2002
• Superman Adventures, three issues, DC Comics, New York, 2002
• Obergeist, seven-issue mini-series, Top Cow Comics, Los Angeles, 2001 (introduction in collected edition by Bruce Campbell)
• JSA: The Liberty File, two 64-page volumes, DC Comics, New York, 2000
• Lazarus 5, five-issue mini-series, DC Comics, New York, 2000
• Dr. Strange: The Flight of Bones, four-issue mini-series, Marvel Comics, New York, 1999
• Aliens: Colonial Marines, two issues in ten-issue mini-series, Dark Horse Comics, Milwaukie, 1993
• Universal Monsters: The Mummy, one-shot special, Dark Horse Comics, Milwaukie, 1992