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 waters?

Three very different Black mermaid princesses--and sisters--find out which one of them has what it takes to become the legend of the sea when a big problem comes their way, in this enchanting adventure inspired by African mermaid myth, magic, and spirituality.

Moored in a coastal fishing town so far north that the highways only run south, the unnamed narrator of The Seas is a misfit. She's often the subject of cruel local gossip. Her father, a sailor, walked into the ocean eleven years earlier and never returned, leaving his wife and daughter to keep a forlorn vigil. Surrounded by water and beckoned by the sea, she clings to what her father once told her: that she is a mermaid. True to myth, she finds herself...

A shark has been spotted in Trident City! Pearl Swamp is so scared, she needs a shark Guard to escort her to and from school. She doesn't trust anyone who likes these terrifying creatures, especially Kiki Coral, who isn't nearly as frightened as Pearl. And to make matters worse, Pearl accuses Kiki of stealing her precious pearl necklace! Will the sharks destroy the peace of their sparking city? Or will the mergirls have to swim in dangerous deep-sea...

When a twelve-year-old girl befriends a quirky teenage mermaid who's anything but mythical, their friendship could heal an age-old feud between humans and sea people. Jerry O2Connell and Barry Bostwick bring to life this family-friendly saga of a young girl's playful friendship with a teenage mermaid.

"In this reinvention of Hans Christian Andersen's classic tale, a little mermaid trades her voice for legs and makes a new friend on land, but must return to the sea to save her family"--

A little sea princess, longing to be human, trades her mermaid's tail for legs to win the love of a prince.

Emily Windsnap doesn't know how to swim. Her mother has always cautioned her to stay out of the water. But it's hard to make friends at the beach when everyone else is having fun in the waves! So when swimming lessons start at school, Emily is excited to finally have the chance to learn. Standing beside the pool, she feels the water calling her, but when she jumps in, she gets a strange, kind of scary sensation . . . like her legs are stuck together....

Shelly is a princess! A real princess! It's been a well-kept secret in Trident City, but now the word is out, and Shelly doesn't know how to act! Should she start wearing a glittery crown? Or move to a grand undersea palace? Will her friends have to call her Your Highness? Being a princess may be exciting, but Shelly's not sure she can truly play this royal part.