Book 1
Lockwood & Co.: The Screaming Staircase
Jonathan Stroud
Book 2
Lockwood & Co.: The Whispering Skull
Jonathan Stroud & Disney Digital Books
Book 3
Lockwood & Co.: The Hollow Boy
Jonathan Stroud
Book 4
Lockwood & Co.: The Creeping Shadow
Jonathan Stroud
Book 5
Lockwood & Co.: The Empty Grave
Jonathan Stroud