Moonkind

Fer must save her realm from the Forsworn, a group destroying the land with their broken oaths, in Moonkind, the conclusion to award-winning author Sarah Prineas's fantasy-adventure series, which includes Winterling, Summerkin, and the short story Thrice Sworn. As the Lady of the Summerlands, Fer has vowed to serve her people without the deception of the glamorie, and she had trusted other leaders to fulfill the same promise.
But not all of the Lords and Ladies want to keep their oaths, and they've unleashed the consequences of their betrayal onto the lands. Only Fer, with the help of the puck-boy Rook, can fight the stillness invading the realm. But can she trust Rook? And can she protect her people before it's too late?Sarah Prineas combines a brave and resourceful young heroine with a richly detailed fantasy world and beloved folklore into a story that will delight middle-grade fans of Diana Wynne Jones, Ingrid Law, and Rick Riordan.
Epic Quests: Fer must confront the Forsworn and stop the deadly stilth-a creeping stillness born from broken promises-from destroying every land. Frenemies to Allies: She needs help from Rook, the puck-boy who has betrayed her before. Can she rely on a trickster when the fate of her world is at stake? A World of Magic: Discover a realm of magical spiders that spin moonlight, powerful glamories that corrupt, and pucks who can shift from boy to beast.
Coming of Age: As the part-human Lady of the Summerlands, Fer must embrace her unique power and make choices that will change her world forever.