Increasingly fascinated by this most shameful of experiences, she began to explore the lonely city by way of art. Moving fluidly between works and lives -- from Edward Hopper's Nighthawks to Andy Warhol's Time Capsules, from Henry Darger's hoarding to the depredations of the AIDS crisis -- Laing conducts an electric, dazzling investigation into what it means to be alone, illuminating not only the causes of loneliness but also how it might be resisted and redeemed.