When I started reading this I didn't know anything about it. Later I found that the author was English, in spite of his name suggesting otherwise, and that he was a somewhat prolific writer of swashbuckling tales. Another of his works is Captain Blood.
We can assume that he was fascinated by the early days of sailing, and must have spent some time learning about the history of the time. This isn't a history book, but a novel about a privateer turned gentleman, after having been given a title by Queen Elizabeth for his help in defeating the Spanish Armada. It so happened that I had read, though perhaps scanned might be more accurate, a nonfiction book, How Britannia Came to Rule the Waves, by WHG Kingston, and in it he credits the various privateers for their help in building the Royal Navy and in defeating the Spanish.
But The Sea-Hawk is of course a novel, about Sir Oliver Tressilian, who has amassed some wealth through piracy to go along with his title. It is full of dialog, both between people and the various characters with themselves, and rather verbose dialog it seemed to me.
Nonetheless, this is compelling storytelling, perhaps getting off to a slow start as we read what seems like it's going to be a book about the interfamily goings on revolving around Sir Oliver's plan to marry Rosamund Godolphin, then taking some quite amazing turns, so that we abruptly leave England and head off to the Mediterranean, quite active with Arab corsairs raiding Spanish and other ships. both for the riches, but also for the slave market. Suddenly we are introduced to Sakr-el-Bahr, an infamous corsair with the interesting past.
The story here is interesting, riveting at times, but seemed to bog down with the ever-heavy dialog.