Writings:NOVELS
- Mesmer, Tanjen (South Wigston, England), 1997.
- (With Gavin Williams) Hush, Razorblade Press (Cardiff, Wales), 2000.
- The Nature of Balance, Leisure Books (New York, NY), 2001.
- Face, Night Shade Books (San Francisco, CA), 2001.
- Until She Sleeps, Cemetery Dance (Abingdon, MD), 2002.
- Changing of Faces, PS Publications (Harrogate, England), 2003.
- Desolation, Dorchester (New York, NY), 2005.
- Pieces of Hate: Assassin Series, Book 2, Necessary Evil Press (Escanaba, MI), 2005.
- Berserk, Leisure Books (New York, NY), 2006.
- Unnatural Selection (Hellboy), Pocket Star (New York, NY), 2006.
- 30 Days of Night: A Novelization, Pocket Star Books (New York, NY), 2007.
- The Everlasting, Leisure Books (New York, NY), 2007.
- Fallen, Bantam Spectra (New York, NY), 2008.
- Last Exit for the Lost, Cemetery Dance Publications (Forest Hill, MD), 2008.
- (With Christopher Golden) Mind the Gap: A Novel of the Hidden Cities (part of the "Hidden Cities" series), Bantam Books (New York, NY), 2008.
- (With Christopher Golden) The Map of Moments: A Novel of the Hidden Cities (part of the "Hidden Cities" series), Bantam Books (New York, NY), 2009.
- Hellboy: The Fire Wolves, Dark Horse Books (Milwaukie, OR), 2009.
- Bar None, Night Shade Books (San Francisco, CA), 2009.
NOVELLAS- Faith in the Flesh (two novellas, The First Law and From Bad Flesh; also see below), Razorblade Press (Cardiff, Wales), 1998.
- White (also see below), Night Shade Books (San Francisco, CA), 1999.
- Naming of Parts, PS Publishing (Harrogate, England), 2000.
- White and Other Tales of Ruin (collection includes White, The First Law, and From Bad Flesh), Night Shade Books (San Francisco, CA), 2002.
- Fears Unnamed (four novellas), Leisure Books (New York, NY), 2004.
- The Reach of Children, Humdrumming (Bournemouth, England), 2009.
"NOREELA" SERIES- Dusk, Bantam Spectra (New York, NY), 2006.
- Dawn, Bantam Spectra (New York, NY), 2007.
- After the War: Two Tales of Noreela, Subterranean Press (Burton, MI), 2008.
- The Island: A Novel of Noreela, Bantam Spectra (New York, NY), 2009.
OTHER- As the Sun Goes Down (short stories), Night Shade Books (San Francisco, CA), 2000.
- (With Simon Clark) Exorcising Angels (short stories), Earthling (Northborough, MA), 2003.
- Dead Man's Hands (chapbook), Necessary Evil Press (Escanaba, MI), 2004.
- (Editor, with Jeff Vandermeer) The Thackery T. Lambshead Pocket Guide to Eccentric and Discredited Diseases, Night Shade Books (San Francisco, CA), 2006.
- (Editor, with Christopher Golden) British Invasion, Cemetery Dance Publications (Forest Hill, MD), 2009.
Contributor of stories to anthologies, including Year's Best Fantasy and Horror, St, Martin's Press; Best New Horror, Gollancz; October Dreams, Cemetery Dance; Children of the Cthulhu, Del Rey; Dark Terrors, Gollancz; Night Visions 11, Subterranean Press, 2004; and Fourbodings, Cemetery Dance Publications, 2005. Contributor to periodicals, including Psychotrope.