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! Can't...

Jesse and Daisy and their dragon friend, Emmy, try to recover a Thunder Egg from merpeople who stole it from Daisy near the Inn of the Barking Seal, where the cousins are visiting their grandmother Polly.

When Splash the merminnie's flashy tricks get him in trouble, it's up to Pinkalicious and her friends to save him.

Aqua, the mini-mermaid, takes Pinkalicious and Peter to her favorite seaside spots.

"Two merpups named Lilly and Fin must escape from the clutches of the humans who want to add them to their collection of rare aquatic creatures"--

Publisher Annotation: A magical story starring three Black mermaid sisters who each wish to wear the underwater crown! Perfect for fans of Little Mermaid and Oona.

Oona the mermaid is friends with everyone, but when her attempts to befriend a shark with sensory issues fail miserably she realizes what may be fun for her may be overwhelming for him.

Every night Lampie, the lighthouse keeper's daughter lights the lantern which warns the ships away from the rocks, but when the light goes out one night, a ship is wrecked and Lampie is sent to the Admiral's Black House in disgrace--there she finds and befriends the Admiral's son, who was born with a tail, and together they are pulled into an adventure of mermen and pirates, and secret identities long concealed but soon to be revealed.

Told in alternating voices, Crest, a merperson, who grudgingly undergoes a mandatory sojourn to help a human within one moon cycle or risk staying on land forever, suddenly develops feelings for his beneficiary Sean, leaving them torn between two worlds.

"Runa will not let her twin sister die. Alia traded her voice to the Sea Witch for a shot at happiness with a prince who doesn't love her. And his rejection will literally kill her--unless Runa intervenes. Under the sea, Evie craves her own freedom--but liberation from her role as Sea Witch will require an exchange she may not be willing to make. With their hearts' desires at odds, what will Runa and Evie be willing to sacrifice to save their worlds?...