This brilliantly made book brings all your favourite Frozen characters together for a brand-new adventure! Queen Elsa and friends have been invited as special guests to the annual Troll crystal ceremony which is held underneath the northern lights! Along the way, they befriend a young troll named Little Rock, who is hoping to be in the ceremony, all he needs is one last crystal. This heart-warming story highlights the values of true friendship, as everyone pulls together to help Little Rock achieve his goals, and is perfect for any Frozen fan. The book will contain the recipient’s name throughout the text, and you can also add their name and a personalised message to the first page of the book.