Dive into this magical mermaid series from bestselling author Sue Mongredien, featuring gorgeously girly illustrations. Synopsis Molly is called back to the ocean by the Mermaid Queen because the mermaids desperately need her help. All the whales, penguins, turtles, seahorses, dolphins and octopi have completely vanished from the seas and no one knows why - but they suspect dark magic is at work. Introduced to the creatures' guardians, the Animal-Keeper mermaids, Molly sets out on a quest to find the seahorses with Animal-Keeper Eloise. Molly believes the answer to their whereabouts might lie in a strange sparkly ball that she spotted in a rock pool...but little does she know that the enchanted ball is well guarded by a scary sand monster. Readers will be enchanted by Molly the Secret Mermaid's daring ocean quests, full of gorgeous undersea detail and captivating characters, in this dazzling series for budding mermaids everywhere.