Moving and chilling, The Hill in the Dark Grove is a story about a lost way of life and the terrifying lengths we go to to protect what we know. 'Eerie. Dangerous. I loved it' – Claire Fuller, author of Unsettled Ground'Evocative, tender, terrifying . . . Superb' – Kiran Millwood Hargrave, author of The Mercies'A not-to-be-missed novel' – The Sunday Times'Do not read this creepy tale in an isolated cottage' – The TimesCarwyn and Rhian – the last in a long line of sheep farmers – are living out a brutal year on their hillside farm, deep in the mountains of North Wales. When Carwyn discovers a buried prehistoric ruin in one of the fields on their land, his curiosity quickly descends into obsession. His wife, Rhian, meanwhile, is confronted with the growing realization that the man with whom she shares her life and home is becoming a frightening stranger. As the harsh winter closes in, Rhian finds herself alone with her increasingly unrecognizable husband, and the mountains, and the looming megalithic stones. 'Powerful, inventive and gripping to the very end' – Ian McGuire, author of The North Water'A hypnotic tale of twisted folklore that won’t let go' – Scott Preston, author of The Borrowed Hills'Vibrates with unease' – Anthony Shapland, author of A Room Above a Shop