At the time of his death, Patrick O'Brian was halfway through a novel to follow on from Blue at the Mizzen. These are the chapters he had completed of the final voyage of Jack Aubrey and Stephen Maturin -- the greatest friendship of modern literature. The story picks up from the end of Blue at the Mizzen when Jack Aubrey receives the news, in Chile, of his elevation to flag rank: Rear Admiral of the Blue Squadron, with orders to sail to the South...