Deep Trouble - Secret Mermaid, Bk 5 Author:Sue Mongredien, Maria Pearson (Illustrator) Mermaid Molly sets off with Coral, protector of the ocean reefs, to find the third piece of the enchanted conch shell. With it, they would be able to restore the dying tropical reefs and return a host of sea creatures, including a lost baby turtle, to their rightful homes. But first they have to beat a swarm of the Dark Queen's evil jellyfish.