W. S. Merwin is widely acknowledged as one of the finest living poets in English. Less well known is the power and range of his work in prose. For his first new prose collection in more than ten years, The Ends of the Earth, Merwin has gathered eight essays that show the breadth of his imagination and sympathy. A memoir of George Kirstein, publisher of "The Nation," stands alongside one of Sydney Parkinson, explorer, naturalist and artist on Captain...