It is 1780, and 17-year-old Alan Lewrie is a brash, rebellious young libertine. So much so that his callous father believes a bit of naval discipline will turn the boy around. Fresh aboard the tall-masted Ariadne, Midshipman Lewrie heads for the war-torn Americas, finding - rather unexpectedly - that he is a born sailor, equally at home with the randy pleasures of the port and the raging battles on the high seas. But in a hail of cannonballs comes a bawdy surprise.

It is 1801, and President Thomas Jefferson has assembled a deep-water navy to fight the growing threat of piracy, as American civilians are regularly kidnapped by Islamist brigands and held for ransom, enslaved, or killed, all at their captors' whim. The Berber States of North Africa, especially Tripoli, claimed their faith gave them the right to pillage anyone who did not submit to their religion.

As the War of Independence begins in earnest, American merchant seamen prepare to strike the first blows. None strikes more deftly than Isaac Biddlecomb, captain of the Judea, whose smuggling activities are making a mockery of His Majesty’s Royal Navy. Pursued by HMS Rose, he sacrifices the ship he loved to the depths, together with the fortune he stood to gain, rather than surrender.

After gaining valuable experience as an aide to Governor Lord Horatio Hornblower, William Brewer is rewarded with a posting as first lieutenant on the frigate HMS Defiant, bound for American waters. Early in their travels, it seems as though Brewer’s greatest challenge will be evading the wrath of a tyrannical captain who has taken an active dislike to him. But when a hurricane sweeps away the captain, the young lieutenant is forced to assume command of the damaged ship, and a crew suffering from low morale.

At the time of the French Revolution, one of Britain's most skillful naval officers, Charles Saunders Hayden, is a young lieutenant, the son of an English father and a French mother. His abilities and his loyalty to the king of England are beyond dispute, yet his career seems doomed by his "mixed" heritage and lack of political connections. Consequently, Hayden is assigned to an aging frigate, the Themis, under the command of Captain Josiah Hart, a man known as "Faint Hart" throughout the service.

Jack Biddlecomb has much to live up to, being as he is the eldest son of the esteemed Captain Isaac Biddlecomb, wealthy merchant captain, leading light of the War for American Independence, and newly minted congressman. Jack finds himself off to a promising start, however, when he’s given command of the merchant vessel Abigail bound from Philadelphia for Barbados. But even before the dock lines are cast off, the voyage, which should have been routine, begins to look like a stormy passage indeed.

1793 and Europe is ablaze with war. Thomas Paine Kydd, a young wig-maker from Guildford, is seized by the press gang to be a part of the crew of the 98-gun line-of-battle ship Duke William. The ship sails immediately and Kydd has to learn the harsh realities of shipboard life fast. Despite all that he goes through in danger of tempest and battle he comes to admire the skills and courage of the seamen - taking up the challenge himself to become a true sailor.

After a century of war, revolutions, and imperial conquests, 1790s Europe is still embroiled in a battle for control of the sea and colonies. Tall ships navigate familiar and foreign waters, and ambitious young men without rank or status seek their futures in naval commands. First Lieutenant Alexander Clay of the frigate Agrius is self-made, clever, and ready for the new age. But the old world, dominated by patronage, retains a tight hold on advancement.

October 1772, Portsmouth. Sixteen-year-old Richard Bolitho waits to join the Gorgon, ordered to sail to the west coast of Africa and to destroy those who challenge the King's Navy. For Bolitho, and for many of the crew, it is a severe and testing initiation into the game of seamanship.

London: 1793. Young firebrand John Pearce, on the run from the authorities, is illegally press-ganged from the Pelican tavern into brutal life aboard HMS Brilliant, a frigate on her way to war. In the first few days, Pearce discovers the Navy is a world in which he can prosper. And he is not alone; he is drawn to a group of men who eventually form an exclusive gun crew, the Pelicans, with Pearce their elected leader.

The Naval Service of the Honorable East India Company, popularly known as the Bombay Marine, operated in romantic areas in perilous times. From the Indian Ocean to the South China Sea, from Calcutta to Canton, the Company ships were famous for their speed and daring. The "Bombay Buccaneers" who sailed them were the stuff of legend. For Percival Merewether, 1806 would be a year to remember.

Shortly after Thomas Marlowe's arrival in Williamsburg, Virginia, all in that newfound capital city are speaking his name. With the bounty from his years as a pirate—a life he intends to renounce and keep forever secret—he purchases a fine plantation from a striking young widow, and soon after kills the favorite son of one of Virginia's most powerful clans while defending her honor. But it is a daring feat of remarkable cunning that truly sets local tongues wagging: a stunning move that wins Marlowe command of Plymouth Prize, the colony's decrepit guardship.

England, 1346: For Thomas Blackstone, the choice is easy - dance on the end of a rope for a murder he did not commit, or take up his war bow and join the king's invasion. As he fights his way across northern France, Blackstone learns the brutal lessons of war - from the terror and confusion of his first taste of combat, to the savage realities of siege warfare.

In the 25th century, humans have conquered space. The advent of faster-than-light travel has opened up hundreds of habitable planets for colonization, and humans have exploited the virtually limitless space and resources for hundreds of years with impunity. So complacent have they become with the overabundance that armed conflict is a thing of the past, and their machines of war are obsolete and decrepit. What would happen if they were suddenly threatened by a terrifying new enemy?

Since time immemorial the Spires have sheltered humanity, towering for miles over the mist-shrouded surface of the world. Within their halls aristocratic houses have ruled for generations, developing scientific marvels, fostering trade alliances, and building fleets of airships to keep the peace. Captain Grimm commands the merchant ship Predator. Fiercely loyal to Spire Albion, he has taken their side in the cold war with Spire Aurora, disrupting the enemy's shipping lines by attacking their cargo vessels.

Shortly after Thomas Marlowe's arrival in Williamsburg, Virginia, all in that newfound capital city are speaking his name. With the bounty from his years as a pirate—a life he intends to renounce and keep forever secret—he purchases a fine plantation from a striking young widow, and soon after kills the favorite son of one of Virginia's most powerful clans while defending her honor. But it is a daring feat of remarkable cunning that truly sets local tongues wagging: a stunning move that wins Marlowe command of Plymouth Prize, the colony's decrepit guardship.

After gaining valuable experience as an aide to Governor Lord Horatio Hornblower, William Brewer is rewarded with a posting as first lieutenant on the frigate HMS Defiant, bound for American waters. Early in their travels, it seems as though Brewer’s greatest challenge will be evading the wrath of a tyrannical captain who has taken an active dislike to him. But when a hurricane sweeps away the captain, the young lieutenant is forced to assume command of the damaged ship, and a crew suffering from low morale.

October 1772, Portsmouth. Sixteen-year-old Richard Bolitho waits to join the Gorgon, ordered to sail to the west coast of Africa and to destroy those who challenge the King's Navy. For Bolitho, and for many of the crew, it is a severe and testing initiation into the game of seamanship.

London: 1793. Young firebrand John Pearce, on the run from the authorities, is illegally press-ganged from the Pelican tavern into brutal life aboard HMS Brilliant, a frigate on her way to war. In the first few days, Pearce discovers the Navy is a world in which he can prosper. And he is not alone; he is drawn to a group of men who eventually form an exclusive gun crew, the Pelicans, with Pearce their elected leader.

Jack O' Reilly is a 17-year-old New Englander who in 1805, sails with his parents on the Perdido Star to Cuba, his mother's birthplace, to claim the land she inherited. But for Jack, the trip that began with high hopes and the excitement of a new life, becomes a descent into violence and revenge.