Praise for Keith Thomas' work: "Keith Thomas has a handle on the mechanisms of fear and the tradition of the terror tale that makes him a salient voice in the genre today." - Guillermo del Toro, filmmaker

"Taut, riveting... I wanted to read it all over again once I turned the last page." - James Rollins, New York Times bestselling author of Kingdom of Bones

"Truly unforgettable..." - Suspense Magazine

"Thomas maintains the believability of his tightly coiled plot throughout." - Publishers Weekly

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From the writer/director of the critically acclaimed film THE VIGIL and director of the "Pickman's Model" episode of Guillermo del Toro's Cabinet of Curiosities (now on Netflix) comes a terrifying debut novella.

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Over a long fall weekend, Asher, twelve, travels with his mother, Beth, to his beloved grandfather (Pa)'s house-a wild place stuffed with rare books, strange art, and collected curiosities. With Pa's dementia worsening, Beth and her sister, Zoe, plan to move him into a nursing home-this visit is to break the news and pack the house up.

While Asher adores his doting grandfather, Beth recalls her dad as a very different person: a belittling man with a hair-trigger temper. Though Beth had been frightened of her father her whole childhood, he changed, seemingly overnight, ten years earlier into the affable man Asher now loves spending time with.

But Pa's increasing forgetfulness masks a much more unsettling reality: his anger didn't just vanish; it was "excised" in an arcane ritual that birthed the horrifying creature he's locked away in the depths of his home-the Dunnie. And now, with Pa's memory failing, the Dunnie won't remain contained . . .