The New York Times best-selling series Follow the siren call to Emily's magical adventure! Can the spunky half-mer girl pass Neptune's test--and help humans and merpeople get along? Emily Windsnap is finally enjoying a swimmingly peaceful life on Allpoints Island, hanging out with her mermaid BFF, Shona, and her new friend Aaron (half-merperson like herself ). But their idyll is cut short when Emily learns that the Windsnaps...