| # | Book Title | Author | |
|---|---|---|---|
| 1 | Curse of the Blue Figurine, The | Bellairs, John | |
| 2 | Mummy, the Will, and the Crypt, The | Bellairs, John | |
| 3 | Spell of the Sorcerer's Skull, The | Bellairs, John | |
| 4 | Revenge of the Wizard's Ghost, The | Bellairs, John | |
| 5 | Eyes of the Killer Robot, The | Bellairs, John | |
| 6 | Trolley to Yesterday, The | Bellairs, John | |
| 7 | Chessmen of Doom, The | Bellairs, John | |
| 8 | Secret of the Underground Room, The | Bellairs, John | |
| 9 | Drum, the Doll, and the Zombie, The | Bellairs, John | |
| 10 | Hand of the Necromancer, The | Strickland, Brad | |
| 11 | Bell, the Book, and the Spellbinder, The | Strickland, Brad | |
| 12 | Wrath of the Grinning Ghost, The | Strickland, Brad |