It's an important day in Arendelle: King Agnarr and Queen Iduna have just welcomed royal guests to their kingdom! If all goes well, Arendelle will have new trade partners—but can Anna and Elsa stay out of trouble long enough for their parents to impress the royal visitors? Join Anna and Elsa as they play in the castle, leaving a trail of icy magic behind them!
- The book takes place before the events of the movie, when Anna and Elsa were just little kids.
- In the actual movie, Elsa and Anna were still confined to their bedrooms and separated by the time that they were the ages depicted in the book.
- The hardcover edition is renamed as Anna and Elsa's Secret Playtime.
- The book was originally titled "Anna & Elsa's Childhood Times".