"Shimmer and Shine visit a mermaid kingdom. Can they fix their mistakes?"--Page [4] of cover.

Rachel is new to the Kingdom of Neptunia, and she has two secrets--she is half human which only her friend Shyanna knows, and her boy friend is a human boy, Owen, who does not know know she is a mermaid.

Ever since her father disappeared Shyanna's home has been a sad place, but if the twelve-year old mermaid can conquer her stage fright before the Melody Pageant, she hopes to win the contest and bring song back to her mother's life.

Three fairies from Never Land must deliver a wand they promised to the mermaid who has threatened to flood their home in Fairy Haven.

"Swim along with Ariel and learn the names of the sea creatures she lives with"--

Lucas and Clara are floating on a raft when a wave casts them into the sea, where Lucas catches a glimpse of a coral kindom and a dark-haired mermaid helps him, but when his father, King Caleb, hears of this, he scolds Lucas and tells him he has broken an age-old pact.

Echo Reef is tail-flipping with excitement when she find a human object. But when her older sister claims the object for her own, how far will Echo go to reclaim it?

When mermaid Vera and Octo-boy Beaker investigate what seems like a wave of vandalism in Tidal Grove, they discover a baby Mantis shrimp who does not fully understand his own power, and help him find his family.

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?