Be brave and keep the seas safe! When a huge whirlpool blows through astoria, all of princess cascadia’s hard work on the sand sculpture festival is destroyed. While the rest of the royal mermaid rescue crew helps clean up the city, cascadia is left to fix the festival by herself. But then a mysterious Helper reveals that there’s more damage than cascadia could ever imagine. Will cascadia and her new friend be able to save the day? Or will she have to wave goodbye to her favourite tradition? Highlights: fans of Rainbow magic and mermaid tales will love this new series full of adventures under the sea! Illustrated, with easy-to-read text and fun adventures to keep the readers interested perfect for ages 7+.