What is the author's style in The Mauritius Command by Patrick O'Brian?

The novel's language is generally simple and accessible. Standard British punctuation is used to indicate dialogue and interior thoughts and descriptive text are easily distinguished. Most of the places, many of the objects, and even most of the events referenced in the narrative are identifiable as real geographical locations or historic events. Indeed, the author's introductory statement clarifies that the narrative follows history with remarkable fidelity. It is notable that the novel was originally written and published in England and uses standard English punctuation and spelling styles.