Anyone who has ever seen a decorated matchbox or Christmas card knows, even if he does not realize it, something of the Japanese color print. But beyond the best-known landscapes of Hokusai and Hiroshige, popular familiarity, even in Japan, drops markedly. And when we consider the total field of ukiyo-e (pronounced ookee-yoh-eh, pictures of the fleeting, floating world)-including not only the colorful prints but also the graceful paintings, vivid picture books and startling erotica-blissful ignorance is all too abundant.