Frozen II: Forest of Shadows (ISBN 978-1-3680-4363-2) is a novel which serves to bridge the events of Frozen and Frozen II. Written by Kamilla Benko and illustrated by Grace Lee, it contains an original tale about a strange sickness hitting Arendelle.
Anna of Arendelle wants nothing more than to be helpful to her older sister, Elsa. But as far as Anna can see, ever since Elsa’s coronation, her sister has been doing just fine without her. And now, Elsa will be setting sail for a grand tour of the world—leaving Anna behind. But a mysterious sickness strikes Arendelle, and Elsa’s tour is delayed, giving Anna the perfect opportunity to finally help. When Anna discovers a secret room in the castle and incants a magic spell, she hopes it will make her dream of curing the sickness come true. Instead, a more sinister dream comes to life. This thrilling original middle grade novel bridges the epic adventures of Frozen and Frozen 2.
- This story introduces the existence of other mythological creatures from Scandanavian folklore including:
- A Nattmara (a spirit that embodies your deepest fears)
- The Huldrefolk
- Some of the Norse constellations appeared in the book. More specificly "Ulf's Keptr", which is refered to as "Ulf the wolf" and "Fiskikarlar", which is refered to as "Frigg the fisherman" .