Johnny Dixon Series
- The Curse of the Blue Figurine
- The Mummy, the Will, and the Crypt
- The Spell of the Sorcerer's Skull
- The Revenge of the Wizard's Ghost
- The Eyes of the Killer Robot
- The Trolley to Yesterday
- The Chessmen of Doom
- The Secret of the Underground Room
- The Drum, the Doll, and the Zombie
- The Hand of the Necromancer
- The Bell, the Book, and the Spellbinder
- The Wrath of the Grinning Ghost
Lewis Barnavelt Series
- The House with a Clock in Its Walls
- The Figure in the Shadows
- The Letter, the Witch, and the Ring
- The Ghost in the Mirror
- The Vengeance of the Witch-finder
- The Doom of the Haunted Opera
- The Specter from the Magician's Museum
- The Beast Under the Wizard's Bridge
- The Tower at the End of the World
- The Whistle, the Grave, and the Ghost
- The House Where Nobody Lived
- The Sign of the Sinister Sorcerer
Anthony Monday Series
- The Treasure of Alpheus Winterborn
- The Dark Secret of Weatherend
- The Lamp from the Warlock's Tomb
- The Mansion in the Mist
