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...

Of all the creatures in the ocean, sea horses are Echo Reef's favorite. They're sweet and gentle and they glide through the water so gracefully. When Echo discovers that Rocky Ridge, one of her Trident Academy classmates, has his own pet sea horse, she wants one right away. Not everyone agrees sea horses should be pets, however. Perhaps they are happiest when swimming freely. But Echo thinks that if Rocky can make a sea horse happy, she can too!...

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?

Mermaids Shelly and Echo are excited to begin third grade at the prestigious Trident Academy, but snooty Pearl, jokester Rocky, brilliant Kiki, grumpy Mr. Fangtooth, and an argument over their first project challenge the best friends. Includes facts about marine plants and animals and words to the Mermaid Tales Song.

When her class at Trident Academy visits a pod of whales, Kiki Coral must overcome her fears with the help of her friends.

While Kiki and Echo help Shelly prepare for a royal tea with her visiting great-aunt, Queen Edwina, Shelly worries that the Queen will make her leave Trident City and move to Neptune Castle.

Listening to her aunt's story about a fairy that visits mermaids while they sleep to purposely tangle their hair, Echo resolves to catch the fairy in the act before her skeptical friends ask her to figure out whether or not fairies are even real.

Kiki and her friends learn about coding as they compete to be the escort for a young narwhal who will visit Trident Academy with her famous parents. Includes glossary, key to the codes used, and information about safeguarding narwhals' habitats.

"Rosie is a little mermaid who loves dancing with dolphins and building towering sandcastles. But she's just moved to Trident City and doesn't have one single friend to join her. She's too young to go to Trident Academy with her older cousin Rocky, her parents are busy at work, and Manny Nanny, who takes care of Rosie, can be kind of boring, even though she's super nice. Then, Rosie meets Aqua and finds that having a new friend might be more trouble...

Kiki wants to start a book club, but Pearl tries to steal the spotlight with a rival fashion club in this sparkling Mermaid Tales adventure.