Princess Finn and her friends must find the long-lost Emerald Crown to save their home, in the third installment of this epic mermaid adventure-themed early chapter book series! Pick a book. Grow a Reader! This series is part of Scholastic's early chapter book line, Branches, aimed at newly independent readers. With easy-to-read text, high-interest content, fast-paced plots, and illustrations on every page, these books will boost reading confidence and stamina. Branches books help readers grow! The queendom of Anjeea is under threat! The magical coral wall that protects Anjeea was destroyed by the evil magician Rozaro. It must be rebuilt before he attacks again. Princess Finn and her friends Moon and Link need to find the ruins of an ancient mermaid city, Ravata. There lies the only item that can fix the wall -- the long-lost Emerald Crown. Will the mermaids make it past the dangerous pirate coves and the fierce protector who guards the crown? With engaging black-and-white artwork on every page, kids won't be able to put down this magical, underwater adventure!