00970cam a2200229 4500 615003602 TxAuBib 880818s1989||||||||||||||||||||||||eng|u 88025520 /AC 9780399215575 $13.95 0399215573 $13.95 DLC DLC TxAuBib Anno, Mitsumasa, 1926- Topsy-turvies : more pictures to stretch the imagination / by Mitsumasa Anno. New York : Philomel Books, 1989. [28] p. : all col. ill. ; 27 cm. Originally published: New York : Walker/Weatherhill, 1970. Optical illusions form structures in which curious little men can go up stairs to get to a lower place, hang pictures on the ceiling, and walk on walls. Optical illusions Juvenile literature. Optical illusions. Visual perception Juvenile literature.