8/17/10 Provincetown, Mass. -- Cartoonist Al Jaffee shows off some of his current work to New York Times reporter Alison Cowan at his home in Provincetown, Mass. August 17, 2010. Jaffee, 89, has been working for Mad magazine longer than any other contributor. Details of his life and career have now been collected by author Mary-Lou Weisman in a soon-to-be released biography of the artist. Erik Jacobs for the New York Times