"Occupying a space between The Twilight Zone and The Exorcist, Gunnin's novel acheives what few have dared to attempt." - Jason Johnson, writer on Netflix's Mindhunter (featured on book cover)

"It has well-developed characters, an engaging plot, a lot of momentum, and a totally unexpected ending. Yes, it's horror at its best." - Daniel B. Lyle, author of Alien Invasion- Arrival (5 stars)

"The author's skillful blend of factual history with realms of demonic folklore make 'The Exorcism of Adolf Hitler' a unique and memorable read. It's a novel that not only entertains but also invites reflection on the nature of evil." - Sarah Davis (5 stars) 

"Gunnin really knows how to craft an atmosphere of horror and suspense. The blend of horror and historical fiction is executed masterfully." - K.C. Finn, Readers' Favorite (5 stars)

"Had me on the edge of my seat, completely at the mercy of Connor's imagination as I hung onto every word. I never knew where the story was headed." - Keith Mbuya, Readers' Favorite (4 stars)

"I was completely engrossed in the book from start to finish...highly recommended to readers seeking exciting, nail-biting fear and suspense. The book is brimming with spine-chilling-horror elements you can't resist." - Foluso Falaye, Readers' Favorite (5 stars)