The Girl Who Drank The Moon

Every year the people of the Protectorate leave a baby as a sacrifice to the witch who lives in the forest. But the witch, Xan, is a kind one. She rescues the children and delivers them to welcoming families on the other side of the forest, nourishing the babies with starlight on the journey. But one year, Xan accidentally feeds a baby moonlight instead of starlight, filling the ordinary child with extraordinary magic.
Xan decides she must raise this girl, whom she calls Luna, as her own. As Luna's thirteenth birthday approaches, her magic begins to emerge - with dangerous and thrilling consequences...