Book excerpt: In The Photographer's Vision, international bestseller Michael Freeman examines the work of photography's greats, explaining how to view a photo and how to learn from looking at it. Photographers featured include some of the most distinguished names in photography's history: Nick Knight, Frederick Henry Evans, Frans Lanting, Tim Page, Wolfgang Tillmans, Nan Goldin, Walker Evans, Cindy Sherman, Elliott Erwitt, Trent Parke, Jeff Wall, Paul Strand, Romano Cagnoni and many more, making this book visually stunning as well as intellectually rigorous.