Silver in the Bone by Alexandra Bracken - eBook - Fiction Books

Born without a trace of magic, Tamsin Lark is no match for the sorceresses and Hollowers who populate the magical underground of Boston. But when the only parent she’s ever known disappears without so much as a goodbye, she has no choice but to join in their cutthroat pursuit of enchanted relics to keep herself and her brother, Cabell alive.