Books like Seaflower by Julian Stockwin

Captain Jack Aubrey and ship surgeon Stephen Maturin begin their storied partnership on a Royal Navy man‑of‑war during the Napoleonic Wars, offering an intimate look at life aboard ship.

The sixth adventure of Captain Jack Aubrey and chief ship doctor Stephen Maturin, set during the War of 1812.

Two unlikely companions—wigmaker Tom Kydd and runaway aristocrat Renzi—are conscripted into the Royal Navy during the late 18th‑century wars with France, navigating adventure and duty across the seas.

Nathaniel Philbrick's Sea of Glory: A Story of Exploration, Discovery, and the Naming of the New World

Captain Thomas Kydd trades the rough waters of South America for the warm Leeward Islands, only to find that Napoleonic intrigue, a shadowed past, and a murder accusation threaten his newfound peace and the Caribbean’s prosperous trade routes.

"Word has come from the British ambassador Arbuthnot that the neutral Turks are being wooed by the French and if the ancient city of Constantinople falls into their hands, Napoleon's route to India will be completely unfettered and his plans for world domination a reality. Concerned for his safety, Arbuthnot is demanding a large fleet presence to take him off and bring the Turks to their senses. Braving treacherous currents, unreliable winds, and giant bombards, Thomas Kydd returns to sea and rescues the ambassador, but as Kydd waits for the rest of the expected fleet, the French are able to strengthen the Turkish defenses. Meanwhile Kydd's friend and confidential secretary, Nicholas Renzi, has assumed a new and dangerous role that he can never make public. He engineers a coup in the Topkapi Palace that turns the tables on the French but at the cost of both infidel nations being ejected from the Ottoman Empire. When Kydd learns of Renzi's incarceration in a Turkish prison, he knows if will take superb seamanship and sheer bravado to free his friend"-- "Kydd returns to sea, commanding a frigate in the British Royal Navy of the early nineteenth century. The neutral Turks are being wooed by the French; if the ancient city of Constantinople falls into their hands Napoleon's route to India will be completely unfettered. Kydd is carrying a vital dispatch"--