First published in 1973 this is a study of the force of photographic images which are continually inserted between experience & reality. Sontag develops further the concept of transparency. When anything can be photographed & photography has destroyed the boundaries & definitions of art a viewer can approach a photograph freely with no expectations of discovering what it means. This collection of six lucid & invigorating essays the most famous being In Platos Cave " make up a deep exploration of how the image has affected society."