"In her fourth adventure, everything finally seems to be perfect in Emily Windsnap's life. Her family is together again, and she's free to spend time with her friends. But when the mer-town of Shiprock is threatened by construction, Emily and her family are charged by Neptune to bring humans and merpeople together. Before Emily knows it, she's back in Brightport, carrying out Neptune's orders, searching for missing sirens with Shona, sorting out her...