The Beast Under the Wizard's Bridge

The Whistle, the Grave, and the Ghost

The Tower at the End of the World

The Specter From the Magician's Museum

The Doom of the Haunted Opera

The Sign of the Sinister Sorcerer

The House Where Nobody Lived

The Vengeance of the Witch-Finder

The Ghost in the Mirror

The Letter, the Witch, and the Ring

Henry and Mudge and the Sneaky Crackers

The House With a Clock in Its Walls