Harvest Home by Thomas Tryon
The novel revolves around a couple, Ned and Beth Constantine, who move from New York City to the seemingly idyllic New England village of Cornwall Coombe in search of a simpler life. As they settle into the tight-knit community, they discover the villagers' deep-rooted and mysterious traditions centered around the harvest season. Despite the town's picturesque charm, Ned becomes increasingly disturbed by the locals' secretive rituals and their unwavering devotion to the enigmatic "Harvest Home" festival. As he delves deeper into the village's dark secrets, Ned uncovers a chilling truth that threatens to unravel his family's life and sanity.