- On a Stormy Night (1990)
- The Night of the Burning (1992)
- The Shadow Man (1994)
- The Devil's Playground (1996)
- The Resurrection Spell (1998)
- The Bone Witch (2000)
- The Vampire's Kiss (2002)
- The Ghoul's Feast (2004)
- The Werewolf's Curse (2006)
- The Mummy's Revenge (2008)
- The Frankenstein Monster (2010)
- The Invisible Man (2012)
- The Hunchback of Notre Dame (2014)
- The Phantom of the Opera (2016)
- The Picture of Dorian Gray (2018)
Nonfiction:
- Horror Literature (1988)
- American Gothic (1992)
- The History of the Gothic Novel (1995)
- Edgar Allan Poe: A Biography (1998)
- H.P. Lovecraft: A Biography (2001)
- Stephen King: A Biography (2004)
- The Evolution of Horror (2006)
- The 100 Best Horror Novels (2008)
- The Complete Works of Edgar Allan Poe (2010)
- The Best Horror Stories Ever Written (2012)
- The Best American Horror Stories (2014)