Already acclaimed in America this book is another brilliant contribution by this leading critic,novelist and film maker."On Photography"considers the relation of photography to art,conscience and knowledge;-the book is divided into 6 sections followed by a brief anthology of quotations.There are illuminating discussions on the work of such important photographers as Nadar,Muybridge,Stieglitz,Atget,Paul Starand,Edward Weston,August Sander,Walker Evans,Cartier- Bresson,Robert Frank,Richard Avedon,Diane Arbus and others.