Nightmare Rising (Nightmare Series, Book 6): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Nightmare Valley (Nightmare Series, Book 2): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Nightmare Resurrection (Nightmare Series, Book 4): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Nightmare Revelation (Nightmare Series, Book 3): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Nightmare Abbey (Nightmare Series, Book 1): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Nightmare Spawn (Nightmare Series, Book 5): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Dark Soul (Devil Ship Series, Book 2): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Death Fleet (Devil Ship Series, Book 3): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn
Devil Ship (Devil Ship Series, Book 1): Supernatural Suspense with Scary & Horrifying MonstersDavid Longhorn