Yasuko lives a quiet life, a good mother to her only child. But when her ex- husband appears at her door without warning one evening, her comfortable world is shattered. When Detective Kusanagi of the Tokyo Police tries to piece together the events of that night, he finds himself confronted by the most puzzling, mysterious circumstances he has ever investigated. Nothing quite makes sense... One of the biggest-selling Japanese thrillers ever, and the inspiration for a cult film, The Devotion of Suspect X is now being discovered across the world. Its blend of page-turning story, evocative Tokyo setting and utterly surprising ending make it a must-read