10 books • 2 series
Flicker
The Second Black Beacon Book of Mystery (The Black Beacon Books of Mystery, #2)
Tales from the Ruins
Oscar Tremont, Investigator of the Strange and Inexplicable
Letterbox
Where's Holmes? Volume II
The Animal Inside
Thuggish Itch (Thuggish Itch, #3)
The Tunnel Runner
Hoffman's Creeper and Other Disturbing Tales