Book 1
Nightmare Abbey
David Longhorn & ScareStreet
Book 2
Nightmare Valley
David Longhorn & ScareStreet
Book 3
Nightmare Revelation
David Longhorn & ScareStreet
Book 4
Nightmare Resurrection
David Longhorn & ScareStreet
Book 5
Nightmare Spawn
David Longhorn & ScareStreet
Book 6
Nightmare Rising
David Longhorn & ScareStreet