From the authors of the Goddess Girls series comes the third book in a series steeped in Norse mythology, magic, adventure, and friendship. Twelve-year-old Idun is the goddess of youth, and her magical and deliciously sweet golden apples are what keep all of the academy's gods and goddesses healthy and youthful. They grow year-round--even in winter snow--in one very special grove in Asgard. But when the mischievous Loki ends up...