"When Bulda the troll's crystal begins to fade, Kristoff, Anna, Elsa, Sven, and Olaf set off on a quest to help. Can they recharge the crystal's power before the Northern Lights fade from the sky?"--Back cover.
Anna, Elsa, Kristoff and their friends from Disney Frozen are helping Little Rock the troll earn his tracking crystal. Join them as they embark on a mountain adventure under the Northern Lights!
Join Anna, Elsa, Kristoff and their friends from Disney Frozen as they journal about their travels on the way to the trolls' Crystal Ceremony beneath the northern lights.