A personable introduction to photographic traditions and photographers. Mark Edward Harris interviewed 20 photographers about their lives and art for this handsome hardcover book, which is illustrated by photographs of the interviewees' own choosing as well as portraits (by Harris) of the 20 participants. Among the artists featured are Manuel Alvarez Bravo, Sebastiao Salgado, Mary Ellen Mark, Jean-Philippe Charbonnier and Gordon Parks.  (PHT10, $45.00)