Unicorn has a dream. A beautiful, bewitching, bubbly dream: Unicorn longs to be a mermaid! (Sometimes. Not all the time.) With the help of her trusty craft kit, Kitty is determined to make her best friend Unicorn's dream come true. But one elaborate DIY mermaid tail later, plus a beach trip that doesn't go as planned, Unicorn doesn't feel very beautiful or bewitching. When Unicorn starts to feel insecure, can Kitty help make him feel enchanting again? The magical, bestselling team of Shannon Hale and LeUyen Pham reunite for another heart-bursting story featuring their utterly adorable kitty-corn pair!