In 1793, Bolitho and the British warship Hyperion are trapped by the French in the Mediterranean.

"A gripping tale of anti-submarine warfare in the World War II Pacific Theater, by a master of military adventure fiction. The Last Paladin by P.T. Deutermann is based on the true story of the USS Hayward (DE-24), a World War II Atlantic Fleet destroyer escort which has spent the past two years in the unforgiving battle for survival against the German U-boats of the North Atlantic. Summoned to relieve destroyers that are bogged down by escort duty...

February 1813. As American privateers pick off British and Canadian ships in the wake of the War of 1812, Admiral Sir Richard Bolitho returns to Halifax to defend Crown property. In the cold waters off Nova Scotia, he fights fruitless skirmishes with men of the frontier, all the while longing for peace. While the admiral's enemies pull strings behind the scenes to bring him down, his nephew Adam rises to the grueling challenges of command.

June 1809. Soon after taking part in the dramatic capture of Martinique in the Caribbean, Vice-Admiral Sir Richard Bolitho is next despatched to the African coast to gather a flotilla and stop French attacks on British trade routes. But Bolitho must contend with more than Britain's old enemy - he must also face the hatred of his flag captian and betrayal by a man he once counted on as his friend. In the dangerous waters off South Africa, Bolitho hunts...

"Narwhal and Jelly come across a strange object and wonder what its purpose might be."--

A girl who dreams of captaining her own ship must fight for her place on the high seas in a world that executes female sailors in this romantic YA adventure that pairs a strong female character in disguise, reminiscent of Arya Stark, with the swashbuckling, high seas hijinks of Pirates of the Caribbean. Summary by Amazon.

An unscrupulous entrepreneur forces Hector's family to close their business, as he seeks to find a magic pearl. Hector decides to find a way to thwart his plans. When a greedy entrepreneur searching for a legendary pearl forces Hector's family to close their tourist expedition business in an Italian coastal town, Hector decides to thwart the man's plans and save the sea, his family, and his dream of becoming a deep-sea diver, just like his father....

Can a clever girl inventor uncover a ruthless pirate's heart of gold?

Genetically engineered to survive in the ocean, Nere and her friends are tasked with infiltrating a high-tech undersea base to rescue two kidnapped children and to find the secret to saving the world's oceans, hidden somewhere deep inside the vast fortress. With bloodthirsty mutant sharks and savage kids roaming the corridors, Nere and her companions must find a way to save their friends, themselves, and their underwater world.