We Used to Live Here by Marcus Kliewer is a psychological horror novel that follows a woman whose quiet life is disrupted when strangers arrive at her home claiming to have lived there before. What begins as an unsettling encounter quickly grows into a deeply disturbing exploration of memory, identity, and the uncertainty of what is real. Blending suspense, eerie atmosphere, and creeping dread, the novel keeps readers questioning the boundaries between the familiar and the unknown.