The Land at the Heart of the Mountain: A Tale of the Kingdom of Telidore

When Alicina finds an ancient door hidden inside a cave near her home in Colorado, she is determined to discover what lies on the other side. But when her sister Emily follows her inside and goes missing, Alicina finds herself lost in an enchanted kingdom with no knowledge of how to return to the world above. Will she be able to find her sister and get home?