As the leaves begin to turn and shadows grow longer, there’s no better time to curl up with a book that will send shivers down your spine. I’ve just devoured two extraordinary new releases that capture the essence of autumn’s darker magic—books that will haunt you long after you’ve turned the final page.

Deathcap (launching September 22, 2025) and Greyfriars’ Abbey (October 1, 2025) are both masterful additions to the supernatural genre, each weaving tales of atmospheric...