Powerhouse adult fantasy author R. A. Salvatore and Erika Lewis deliver a sweeping, action-packed, romantic pre-Arthurian tale of the origins of magic (and Merlin), perfect for fans of Falling Kingdoms and Seraphina. Magic needs a spark. And Maggie's powers are especially fickle. With no one to help her learn to control her magic, the life debt that she owes stretches eternally over her head, with no way to repay it. Until...