In the near future, a group of girls survive by their own wits and follow the laws of the Manual on the Hill, a reclaimed garbage dump they call home. The cardinal rule? Men and boys spell danger. After a Departure Ceremony releases the eleven oldest girls back to the Mainland, Wren becomes their new leader, and she's desperate to do a good job. So when one of the girls goes missing only a few hours into her new position, Wren makes the fateful decision to leave the Hill in search of the girl―only to encounter boys for the first time in her life. Is it a coincidence, then, that the Hill is attacked while she's gone? In order to survive and lead her community, Wren must sort fact from fiction, ally from enemy, and opportunity from threat. This feminist dystopian novel explores gender, power, and the search for truth in a world defined by scarcity, distrust, and gender politics.