Martina wants to be the best gymnast in the world. But so does everyone around her. During one week of intense competition, Martina and her teammates are tested to the limit. Any sign of weakness can quickly spell the end. And within seven days, an intense obsession will lead to murder. Every girl will do anything to win… but at what cost? “Compelling, harrowing, and ultimately devastating – it’s quite simply unforgettable.” ALEX MICHAELIDES, author of THE SILENT PATIENT “A tight, frightening story of friendship, rivalry and obsession.” ABIGAIL DEAN, bestselling author of GIRL A “Brutal and brilliant – I read it in one sitting.” HARRIET TYCE, author of BLOOD ORANGE “A glimpse into a wonderfully dangerous, screwed up world. I couldn’t put it down.” CESCA MAJOR, author of THE OTHER GIRL