Wish Upon a Shark (Mermicorn Island #4‪)‬

Half mermaid, half unicorn, and totally adorable!The best time of the year has arrived-- Mermicorn Island's annual costume contest. Lucky loves designing ever more elaborate costumes for his Fintastic Four, in the hopes of finally taking home the grand prize. But when a fierce-looking shark crashes the ball, everyone swims for cover. Can Lucky save the day?