Yasuko lives a quiet life, working in a Tokyo bento shop, a good mother to her only child. But when her ex-husband appears at her door without warning one day, her comfortable world is shattered. When Detective Kusanagi of the Tokyo Police tries to p iece together the events of that day, he finds himself confronted by the most puzzling, mysterious circumstances he has ever investigated. Nothing quite makes sense, and it will take a genius to understand the genius behind this particular crime...On e 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 a page-turning story, evocative Tokyo setting and utterly surprising ending make i t a must-read for anyone interested in international fiction.