If you were captivated by the bleak, unsettling atmosphere and the harrowing portrayal of violence in Let the Right One In, The Girl Next Door delivers an even more chilling look at cruelty and innocence lost. The story, inspired by real events, centers on two sisters subjected to horrific abuse in a suburban neighborhood, echoing the raw, gritty tone and moral ambiguity that haunts Lindqvist's novel.

If you were drawn to Oskar and Eli’s complex inner lives and the sense of isolation that permeates Let the Right One In, you’ll find We Have Always Lived in the Castle mesmerizing. Shirley Jackson’s tale delves deep into the minds of sisters Merricat and Constance, offering a claustrophobic, psychologically rich narrative about secrets, suspicion, and the pain of being an outsider.

If Oskar’s awkward journey from innocence to experience in Let the Right One In resonated with you, Boy’s Life offers a similarly heartfelt and eerie coming-of-age story. Set in a small Southern town, Cory Mackenson’s adventures blend everyday struggles of youth with mysterious and otherworldly events, capturing the bittersweet transition from childhood to maturity.

If you appreciated the unflinching, sometimes brutal depictions of violence and the intimate focus on characters’ fears and vulnerabilities in Let the Right One In, The Troop will grip you. A group of boys on a remote camping trip must survive a nightmarish infection, with graphic scenes and emotional stakes that echo the raw terror and humanity of Lindqvist’s novel.

If the moral uncertainty surrounding Eli and the adults in Let the Right One In intrigued you, A Head Full of Ghosts will challenge your perceptions further. Tremblay presents a family unraveling under supernatural—and psychological—strain, with characters whose motives and actions are never clear-cut, keeping you guessing about the true nature of evil.