When a prophecy traps a kingdom in eternal winter, Anna, a young dreamer, must team up with Kristoff, a daring mountain man, and his reindeer on the grandest of journeys to find Anna's sister, the Snow Queen Elsa, and put an end to her icy spell. Encountering mystical trolls, a hilarious snowman named Olaf, Everest-like extremes, and magic at every turn, Anna and Kristoff battle the elements in a race to save the kingdom from destruction.

Anna and Elsa sisters save the kingdom from its frozen fate, which was accidentally set off by Elsa with her icy powers.

There are big plans for Anna's birthday celebration, but Elsa's icy powers may get in the way.

"Elsa and Anna have a merry good time celebrating Christmas!"--Page [4] of cover.

"Even though Arendelle is a cold, snowy place, polar bears have always been a very rare sight -- until now. A family of polar bears has been spotted on the outskirts of town, and it has started to cause all kinds of mischief. Olaf loves the bears, but Elsa and Anna need to figure out why they have suddenly disppeared -- and how to lure them back to their Arctic home!" -- back cover.

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!

The haunting starts even before Sophie arrives on the Isle of Skye to spend the summer with her cousins, but when she arrives she finds a house haunted by the ghost of a girl who attended school there a hundred years ago, as well as cousin Rebecca who died young and is never mentioned by her family--and she must somehow solve the mystery of the frozen Charlotte dolls before the whole family is destroyed.

"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?"--

When Anna plans a special springtime picnic with her friends, things don't go as planned, but she and Elsa learn that what matters most is spending time together.

While traveling to Troll Valley to celebrate the Crystal Ceremony, Anna, Elsa, and their friends help a young troll named Little Rock.