Dive into this magical mermaid series from bestselling author Sue Mongredien, featuring gorgeously girly illustrations. The penguins have mysteriously disappeared from the icy seas and the mermaids are worried - where can they be? Molly and her mermaid friend, Phoebe, search everywhere. Could the Dark Queen be behind the trouble? 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.