Told in alternating chapters from both Anna's and Hans' perspectives, A Frozen Heart takes a sophisticated look at events of Frozen, exploring the couple's backstories, motivations, and doomed relationship.

Elizabeth Rudnick has written over thirty books, includingthe original novelTweet Heart and tie-ins such as Frankenweenie: ANovel; Oz: The Great and Powerful; and the best-selling junior novelbased onPirates of the Caribbean: Dead Man's Chest. She lives on CapeCod with her husband and two lovable mutts, Jack and Ginger.