"Two years after he published 'The Underground Sketchbook' in 1964, Tomi Ungerer conceived 'The Party', a take-down of the super-rich as savage as anything George Grosz or Ralph Steadman put on paper. The premise of the book is a party in the Hamptons attended by a coterie of fat cats: captains of industry, tycoons, magnates, and moguls, luxuriating in their tuxedos, evening gowns, and prattling small talk. The party was given by Mrs. Julia Van Flooze,...