Toby and Ayla have to infiltrate a sect of sun worshippers to steal the equipment their ships need. They enter a trial to be chosen as the Sun and the Moon, a position of great honour for the sect. As the trial commences, Toby and Ayla discover the true cost of failure. But there are other young couples who are equally desperate to win...Can Toby and Ayla survive days without sleep, hours sitting in the blistering sun and a deadly maze? They'll need to work together to win - their mission depends on it... Perfect for fans of Veronica Roth, Anthony Horowitz, Philip Reeve and Suzanne Collins.