The Whispering Skull
Jonathan Stroud
Lockwood & Co. (2)
The Empty Grave
Lockwood & Co. (5)
The Dagger in the Desk
Lockwood & Co. (1.50)
The Screaming Staircase
Lockwood & Co. (1)
The Hollow Boy
Lockwood & Co. (3)
The Creeping Shadow
Lockwood & Co. (4)