While conducting a tour of the "landlubbers' world" for a bus load of sea creatures, Pirate intercepts school-bound siblings Billy and Heidi and enlists their aid in recovering his hijacked ship from a troupe of mischievous monkey-crabs.

Danny Dragonbreath and his friend Wendell get an up-close underwater tour of the Sargasso Sea from Danny's sea-serpent cousin, encountering giant squid and mako sharks--and learn about standing up to bullies in the process.

A child explores the treasures of the deep blue sea from the safety of a bathtub.

A happy-go-lucky, waffle-loving narwhal and a cynical, no-nonsense jellyfish forge an unlikely friendship and share adventures while exploring the ocean together.

A counting book in rhyme presents various marine animals and their children, from a mother manatee and her little calf one to a mother octopus and her little babies ten. Numerals are hidden in each illustration.

After his friends tell him about the mysterious Kelp Monster, Simon decides to go into the kelp forest and catch the so-called monster.

Kai, a merboy, loves to share hugs with his mother, but learns that some friends prefer fin bumps, tail claps, tentacle shakes, or claw pinches.

"Dive into three new stories about Narwhal's favorite time of the year! It's the festive season in the world wide waters, and Narwhal is looking forward to cozying up with a good book, singing and partying with his pod pals and enjoying some warm waffle pudding. But most of all he's excited about the arrival of the Merry Mermicorn! According to Narwhal, she's part mermaid, part unicorn and completely mer-aculous! Jelly is of course skeptical about...

Everywhere Gray and Barkley swim, fish are whispering of a growing threat, of a shark named Finnivus who will eat anything or anyone, and won't stop until he has seized control of the entire ocean. Finnivus has an armada of vicious battle sharks to help him expand his empire, and Gray realizes that it's up to him to save the Big Blue. But first he must train with Takiza, the wise and mysterious fighting fish who has promised to teach his young apprentice...