Herman Melville wrote White-Jacket; or, The World in a Man-of-War during two months of intense work in the summer of 1849. He drew upon his memories of naval life, having spent fourteen months as an ordinary seaman aboard a frigate as it sailed the Pacific and made the homeward voyage around Cape Horn. Already that same summer Melville had written Redburn, and he regarded the books as "two jobs, which I have done for...