The Moonlight Healers by Elizabeth Becker

For generations, the Winston women have possessed an unspoken magical gift: they can heal with the touch of a hand. It’s a tradition they’ve always had to practice in secret, in the moonlight hours, when the fireflies dance and the whippoorwill birds sing.

But not every healer has rightfully passed on this knowledge to her descendants, and for young Louise Winston, the discovery of her abilities comes in less-than-ideal circumstances—she brings her best friend back from death following an accident, the day after he professed his long-held feelings for her, five days before she’s supposed to move away.
Desperate for answers, and to avoid this new reality between them, Louise escapes to her grandmother’s lush Appalachian orchard. There, she uncovers her family’s hidden history in a tattered journal, stemming back to her brave great-grandmother who illicitly healed Allied soldiers in war-torn France. But just as Louise begins to embrace her unique legacy, she learns that it can also come with a mysterious cost. And with a life hanging in the balance, she’ll be forced to make the most impossible of choices…