It's summer in Twinkleton-Under-Beanstalk, and everyone is feeling the heat. It's almost too hot to do anything - but pets still need help! Millie the mermaid's magic pet Starwhal has been feeling sad, and no one knows why. Can Princess Ava and Pugicorn have an adventure under the sea and solve the mystery of Starwhal's gloomy mood? PUGICORN'S MERMAID MYSTERY is the next book in the enchanting new series from the creators of the Pugicorn picture books. With accessible text and adorable illustrations throughout, this is perfect for newly independent and developing readers.