. . . "Juvenile works" . . . "Hu die" . "Hu die = Butterfly" . . . "Follows in text and photographs the metamorphosis of the butterfly." . . . . "蝴蝶" . . . . . . . "Hú dié" . . . . . "Photographs and text show the development of a caterpillar into a butterfly." . . . . . . "Hu die." . . "蝴蝶" .