Fans of Rainbow Magic and Mermaid Tales will love this new series full of adventures under the sea!Princess Cali and her twin brother, Prince Cruise, are expected to do everything together — but at the Royal Mermaid Rescue Crew School, Cali wants to stand out on her own. So when the principal announces a Rescue Crew Tournament to name the top merstudent of the year, Cali is thrilled. This is the perfect way to prove herself! But Cruise is a tough competitor. Will Cali do anything to win...even something fishy?