Yes, I was compelled to read it in a photojournalism class when it and the author were the latest rage. A professional author has to write about something, and Sontag chose photography, Her prominence in literary circles assured its success. The book was perhaps less about photography than about photography's effect on non-photographers. This was appropriate for its intended audience. Long ago Robert Taft did much the same in his Photography and the American Scene, which is still a valuable reference on 19th century American photography. Taft knew his subject, and even included photographs! Sontag pales in comparison.