Peppa and Rebecca become mermaids in this marvelously glittery storybook! Based on the hit TV show on Nick Jr.Peppa and Rebecca Rabbit would love to be mermaids! When they come up with a plan to have an under-the-sea party, Peppa gets carried away and invites all her friends over for a swimming disco with starfish-shaped sandwiches and a real beach. There's just one problem ... Mummy and Daddy Pig aren't prepared for this at all! Can Miss Rabbit, Emergency Party Planner and Entertainer Extraordinaire, come to the rescue?