By John Bellairs
- Saint Fidgeta and Other Parodies (1966)
- The Pedant and the Shuffly (1968)
- The Face in the Frost (1969)
- "The Dolphin Cross" (June 2009)
- The Gargoyle in the Dump (Sept. 2015)
- #1: The House with a Clock in its Walls (June 1973)
- #2: The Figure in the Shadows (1975)
- #3: The Letter, the Witch, and the Ring (Jan. 1976)
- #1: The Treasure of Alpheus Winterborn (1978)
- #2: The Dark Secret of Weatherend (June 1984)
- #3: The Lamp from the Warlock's Tomb (May 1988)
- #4: The Mansion in the Mist (Aug. 1992)
- #1: The Curse of the Blue Figurine (May 1983)
- #2: The Mummy, the Will, and the Crypt (Nov. 1983)
- #3: The Spell of the Sorcerer's Skull (Nov. 1984)
- #4: The Revenge of the Wizard's Ghost (Nov. 1985)
- #5: The Eyes of the Killer Robot (Oct. 1986)
- #6: The Trolley to Yesterday (May 1989)
- #7: The Chessmen of Doom (Nov. 1989)
- #8: The Secret of the Underground Room (Dec. 1990)
by John Bellairs, completed by Brad Strickland
Lewis Barnavelt series
Lewis Barnavelt Series
- #4: The Ghost in the Mirror (April 1993)
- #5: The Vengeance of the Witch-Finder (Sept. 1993)
- #6: The Doom of the Haunted Opera (Sept. 1995)
- #9: The Drum, the Doll, and the Zombie (Sept. 1994)
By Brad Strickland
- #7: The Specter from the Magician's Museum (1998)
- #8: The Beast under the Wizard's Bridge (2000)
- #9: The Tower at the End of the World (2001)
- #10: The Whistle, the Grave, and the Ghost (2003)
- #11: The House where Nobody Lived (2006)
- #12: The Sign of the Sinister Sorcerer (2008)
- #10: The Hand of the Necromancer (1996)
- #11: The Bell, the Book, and the Spellbinder (1997)
- #12: The Wrath of the Grinning Ghost (1999)
- #13: The Stone, the Cipher, and the Shadows (2022)
