Wick, Walter. I spy super challenger! : a book of picture riddles / photographs by Walter Wick ; riddles by Jean Marzollo. - New York : Scholastic, c1997. - 1 v. (unpaged) : col. ill. ; 32 cm. "Cartwheel books." ISBN: 9780590341288 LCCN: 97006864 Subjects--Topical Terms: Picture puzzles--Juvenile literature.Riddles, Juvenile. LC Class. No.: GV1507.P47 / M33 1997 Dewey Class. No.: 793.735