In the third book from the Nebula Award–nominated Arcadia Task series, which NY Times bestselling author Seanan McGuire called “exciting, inventive, and brilliantly plotted,” Millie Roper must accomplish two impossible heists—with the fate of the worlds in the total amount.

Three months ago, a rift between agents in London and LA tore the Arcadia Project apart. With both fey Courts divide down the middle—fifty percent supporting London, half LA—London is placing the pieces in place to quash about Impostor Symptoms the resistance. But because of an alarming backslide in her mental health, new LA agent Mille Roper is in no condition to fight.

When London’s starting shot is to framework Millie’s partner, Tjuan, for attempted homicide, Millie does not have any choice but to hide him and make an effort to clear his name. Her analysis will take her across the pond towards the center of Arcadia in the mystical and impenetrable Light Rose palace. The main element to Tjuan’s independence—and to the success of the revolution—can be locked in a vault beneath the fey Queen’s watchful attention. It’s up to Millie to plan and business lead a heist that may shape the continuing future of two worlds—all while pretending that she knows exactly what she’s doing…