After finally convincing her mother that she should take swimming lessons, twelve-year-old Emily discovers a terrible and wonderful secret about herself that opens up a whole new world.

Neptune, King of the ocean, sends half-mermaids Emily and Aaron to the land of the midnight sun to investigate the source of the dangerous storms brewing in the ocean.

Barbie has an adventure as a mermaid.

"Describes the mystery, cool characteristics, and allure of mermaids, including historical and contemporary examples"--

Assaulted and left on the cliffs outside of her grim Alaskan fishing village by her abusive, alcoholic uncle, fourteen-year-old Luce expects to die when she tumbles into the icy waters below, but when she instead transforms into a mermaid she is faced with struggles and choices she could never have imagined.

Allen Bauer (Hanks) is a successful New York businessman, knocked unconscious in a boating accident. His beautiful rescuer (Hannah) is the girl of his dreams. There's only one complication-- Allen's fallen hook, line and sinker for a mermaid.

As a mermaid versus human war looms on the horizon, Luce falls in love with her sworn enemy Dorian and assumes her rightful role as queen of the mermaids.

"Set in the ocean off Japan, this retelling of Goldilocks and the Three Bears stars Kiniro, a mermaid, who finds a baby octopus's breakfast, chair, and bed just right"--

"Oona and her best friend Otto love to search for treasure...and often find trouble instead. Messy trouble. Tricky trouble. Even shark-related trouble. That's never stopped them before, though! After all, no proper treasure hunt is without some adventure. But when the grandest treasure yet is stuck in a deep, dark rift, Oona's not sure if she can dive right in. What might be waiting for her in those unknown wates?"--

"When Oliver's explorer parents go missing, he sets sail on the rescue mission with some new, unexpected friends"--