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