Life ashore may once again be the undoing of Jack Aubrey in The Yellow Admiral, Patrick O'Brian's best-selling novel and eighteenth volume in the Aubrey/Maturin series. Aubrey, now a considerable though impoverished landowner, has dimmed his prospects at the Admiralty by his erratic voting as a Member of Parliament; he is feuding with his neighbor, a man with strong Navy connections who wants to enclose the common land between their estates; he...