Anna & Elsa, tome 3
Erica David, Bill Robinson et The Walt Disney Company2015

« Princess Anna, Queen Elsa, Olaf the snowman, and all the stars from Disney Frozen are back in an all-new magical chapter book series perfect for girls ages 6 to 9. Olaf has news for Elsa! He has heard of a summer queen from a summer land with summer magic—someone with similar powers as Elsa’s, who can control fire and heat. He says her land is trapped in an eternal summer. Olaf thinks it sounds great, but Elsa and Anna think she might be in trouble. Either way, a journey is in order! » (Source : goodreads.com)

Titre original : Anna & Elsa, book 3: A warm welcome (2015)