In a world ruled by fear of witches, some secrets are deadly. A thrilling new fantasy adventure set in historical London for fans of V.E. Schwab's City of Ghosts and Serafina and the Black Cloak. Emmaline Black has a secret. She can hear the rhythm of heartbeats. Not just her own, but others' too. It's a rhythm she's learned to control, and that can only mean one thing . . . Emma's a witch. In a world where a sentence...