With his second book, They Came Like Swallows (1937), William Maxwell found his signature subject matter--the fragility of human happiness--as well as his voice, a quiet, cadenced Midwestern voice that John Updike has called one of the wisest and kindest in American fiction. Set against the background of the Spanish flu epidemic of 1918, this short novel presents the loving character of Elizabeth Morison, a devoted wife and mother, through...