Text by Bruce McCall. "Exceptional book . . . the best of humor . . . refreshing. Delightful " is how George Booth describes "Sit " in "The New York Times Book Review." Working in the dog-as-person-as-art vein of William Wegman (but at the other end of the spectrum), Theirry Poncelet combs flea markets and antique shops for ancestral portraits; restores them brush-stroke by brush-stroke; and then seamlessly paints in a dog's head over the subject's...