'A dark world of emotional complexity and betrayal, where twist follows twist and nothing is what it seems' - Alex Michaelides, bestselling author of THE SILENT PATIENT'Exhilarating. Addictive. Fierce.' - Bridget Collins, bestselling author of THE BINDING* * * * *Now I'm in charge, the gates are my gates. The rules are my rules.It's an incendiary moment for St Oswald's school. For the first time in its history, a headmistress is in power, the gates opening to girls.Rebecca Bu