How do we see the world around us? The Penguin on Design series includes the works of creative thinkers whose writings on art, design and the media have changed our vision forever.

Susan Sontag's groundbreaking critique of photography asks forceful questions about the moral and aesthetic issues surrounding this art form. Photographs are everywhere. They have the power to shock, idealize or seduce, they create a sense of nostalgia and act as a memorial, and they can be used as evidenc...