Mark O'Brien

In postwar Germany, an American psychiatrist must determine whether Nazi prisoners are fit to go on trial for war crimes, and finds himself in a ...

While performing an unauthorized exorcism on his father, an elite exorcist suspects the entity he’s doing battle with might be a holy being ...

A young bride’s wedding night turns into her worst nightmare when her ridiculously rich in-laws force her to play a gruesome game of ...

A young boy finds a powerful otherworldly weapon, which he uses to save his older adoptive brother from a crew of thugs. Before long, the two of ...

After a disease kills 98% of America’s children, the surviving 2% develop superpowers and are placed in internment camps. A 16-year-old ...