Shakespeare is often praised for his love and understanding of nature. Less has been written about how he acquired those qualities. Biographers assume they originated from a youth in the countryside around Stratford-on-Avon. Yet relatively few Shakespeare works are set in the settled English midlands. More are set in wild places: a French forest in "As You Like It," British heaths and moors in "Macbeth" and "King Lear," a Balkan seacoast in "The Winter's...