Anna and Elsa are back in an original new adventure that bridges the Frozen and Frozen 2 movies. Following Elsa’s coronation, Anna feels useless. So when a mysterious sickness strikes the kingdom of Arendelle, Anna hopes to come to the rescue by incanting a magic spell to cure everyone. But the spell only makes things worse, setting a sinister new evil loose in the kingdom.

Can the sisters — with their friends Olaf, Kristoff, and Sven — come together to find a way to stop it? Your young readers will be transported back to the epic world of Frozen as Elsa and Anna return for an unforgettable adventure. Featuring full-color map endpapers of Arendelle