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...

When Maggie learns that everyone at her new middle school belongs to a club, she decides to try the swim team then, using her magic boots, spends a day in the life of Marina Tide, a famous oceanographer's daughter who travels the world doing good, just as someone is setting up Marina and her father.

While Connor and the Pirate Federation attempt to stop a new ship of vampirates, his twin sister Grace and their long-lost mother Sally reunite, and Sally reveals some news that is devastating for the twins.

Twelve-year-old Christopher "Kitto" Wheale, a clubfooted boy seemingly doomed to follow in the boring footsteps of his father as a cooper in seventeenth-century England, finds himself on a dangerous seafaring adventure with his newly discovered uncle, the infamous pirate William Quick.

An ivory gull carved by Ezra Brown in 1832 brings luck to four generations of his family as they travel on the seas and in the air.

Retells the adventures of a French professor and his two companions as they sail above and below the world's oceans as prisoners on the fabulous electric submarine of the deranged Captain Nemo. Illustrated notes throughout the text explain the historical background of the story.

An adaptation of the nineteenth-century science fiction tale of an electric submarine, its eccentric captain, and the undersea world, which anticipated many of the scientific achievements of the twentieth century.

When he is taken aboard a ship bound for China, twelve-year-old Neil Thompson is befriended by Hudson Taylor and shares adventures with him during the voyage and in China, where Taylor sets up a mission.

When her family moves from Chicago to an island in South Carolina, Lindy is sure she will be unhappy until she makes a surprising discovery in the backyard of their beach house.

"Nere and her friends, all genetically engineered to survive in the ocean, go on a rescue mission."--