If you were captivated by Isserley’s alien viewpoint and the haunting, ambiguous exploration of identity in Under the Skin, you’ll be drawn into Never Let Me Go. Ishiguro’s novel follows Kathy, a student at a mysterious boarding school, as she slowly discovers the unsettling truth about her existence. Both novels probe at the boundaries of humanity and ask what it means to belong—or not—in a world that is quietly, chillingly alien.

If you appreciated the bleak, unsettling tone of Under the Skin, with its morally complex protagonist and unflinching look at predation, The Girl With All the Gifts offers a similarly riveting darkness. The story of Melanie—a child kept in a military facility for reasons that slowly become horrifyingly clear—explores what it means to be monstrous, human, and everything in between. The gritty, suspenseful narrative will keep you on edge until the final page.

If you were fascinated by Isserley’s encounters with the unfamiliar and the eerie sense of alienness in Under the Skin, you’ll be mesmerized by Annihilation. VanderMeer’s novel follows a biologist venturing into the mysterious Area X—a place where nature and reality behave in deeply disturbing, otherworldly ways. Both novels evoke a profound sense of the uncanny and the unknowable, immersing you in worlds where nothing can be taken for granted.

If you were gripped by the psychological intensity and the unsettling mind of Isserley in Under the Skin, then The Wasp Factory will draw you even deeper. Banks’s novel delves into the warped worldview of Frank, a teenager living on a remote Scottish island, whose bizarre rituals and dark secrets are revealed through a chillingly intimate narrative. Both books immerse you in the minds of outsiders, forcing you to confront uncomfortable truths about empathy and alienation.

If you enjoyed experiencing Under the Skin through Isserley’s distorted and sometimes unreliable perspective, you’ll be enthralled by Merricat Blackwood’s narration in We Have Always Lived in the Castle. Jackson’s classic puts you inside the mind of a profoundly alienated young woman whose perceptions of her family and the hostile world outside are as haunting and ambiguous as they are unreliable. Both stories leave you questioning what is true—and what is truly monstrous.