David Longhorn Libros
The Haunter
2016
The Smog
2016
Nightmare Revelation
2018
Nightmare Series: Books 4 - 6
2019
Nightmare Series Books 1 - 3
2018
Nightmare Spawn
2018
Nightmare Resurrection
2018
Nightmare Rising
2019
Nightmare Abbey
2018
Nightmare Valley
2018
Red Chapel
2017
Dark Isle
2016
White Tower
2016
Hellstorm
2018
Ghost Machine
2018