Wick, Walter I Spy mystery : a book of picture riddles / Walter Wick. - New York : Scholastic, 1993. - 37 p.: col. ill. 31 cm. - I spy books . English ISBN: 13:978-0-590-46294-5 Subjects--Topical Terms: Picture puzzles--Juvenile literature LC Class. No.: 793.73 W63i c1993