The girl who drank the moon - Kelly Regan Barnhill

THE NO 1 NEW YORK TIMES BESTSELLER AND NEWBERY MEDAL WINNER'This beautifully written, darkly funny coming-of-age story will enchant and entertain' Daily MailEvery year, the people of the Protectorate leave a baby as an offering
to the witch who lives in the forest. They hope this sacrifice will keep
her from terrorizing their town. But the witch in the Forest, Xan, is
in fact a good witch who shares her home with a wise Swamp Monster and a Perfectly Tiny
Dragon. Xan rescues the children and delivers them to welcoming
families on the other side of the forest, nourishing the babies with
starlight on the journey.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 consequences. Meanwhile, a young
man from the Protectorate is determined to free his people by killing
the witch. Deadly birds with uncertain intentions flock nearby. A
volcano, quiet for centuries, rumbles just beneath the earth's surface.
And the woman with the Tiger's heart is on the prowl . . . The Newbery Medal winner from the author of the highly acclaimed novel The Witch's Boy.