Stiff

Pluck

Brother Wulf

Wicked! Part 1: The Slobberers

Lockwood & Co: The Whispering Skull: Book 2

Brats

Lockwood & Co: The Screaming Staircase: Book 1

Wicked! Part 5: The Creeper

Brother Wulf: The Last Spook

Hunt

Brother Wulf: Wulf's Bane

Grope

Welcome to Dead House (Classic Goosebumps #13)

Wicked! Part 4: Dead Ringer

Spook's: The Dark Army

Wicked! Part 6: Til Death Do Us Part

The House With a Clock in Its Walls