Ad KapteinBarend FlorijnPim van der MeerLeiden, the Netherlands A thousand words every morning—with iron discipline, Jack London adhered to his writing routine. Later in the day, he would turn to John Barleycorn: beer, wine, whisky, and brandy. His John Barleycorn: Alcoholic Memoirs (1913) tells of his drinking career, which took off after inadvertently sipping his…