As Serafina uncovers more clues about the talismans, Neela ventures into a sea dragon's nest, and Ling learns the identity of their foe.

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.

In an alternate take on the classic fairy tale, Ariel, the voiceless queen of Alantica, must return to the human world and face Ursula, who runs Eric's kingdom on land and is plotting to obliterate both land and sea.

"As princess of the island kingdom Visidia, Amora Montara has spent her entire life training to be High Animancer--the master of souls. The rest of the realm can choose their magic, but for Amora, it's never been a choice. To secure her place as heir to the throne, she must prove her mastery of the monarchy's dangerous soul magic. When her demonstration goes awry, Amora is forced to flee. She strikes a deal with Bastian, a mysterious pirate: he'll...

A picture book in which a boy meets an orphaned mermaid and invites her to join his circus family.

A disagreement between Coral, Filly, and Manta, three young mermaids who work together to build and safeguard the reef that is their home, must quickly be set right.

When young Pearl, a mermaid, becomes caretaker of a single grain of sand, she discovers that performing even the smallest task well can transform the world.

"A mermaid and her otter friend go on a journey to help a lost beluga whale return to the Arctic."--

When she incurs Neptune's wrath by finding a diamond ring buried under rocks in the ocean, Emily is put under a curse that will force her to choose to be either a mermaid or a human and split up her parents forever.

Fourteen-year-old mermaid princess Lana reluctantly visits her mother on land for the Royal Festival after her mermaid-father appoints her a royal ambassador, but when an earthquake strikes back home and Lana is forbidden to go back home, she discovers nefarious forces may be at work against her kingdom.