Molly Seabrook’s dull seaside life is turned upside down when she turns thirteen and is let in on the family secret: she’s PART-MERMAID. Molly isn’t exactly thrilled. She already has to dress as a fish to promote the family seafood restaurant, and now this? Growing up is hard enough without sprouting a fish tail in math class, or disguising your gills from the cute boy at the ice cream stand.