I Spy Year-Round Challenger! : a book of picture riddles /
photographs by Walter Wick ; riddles by Jean Marzollo.
- New York : Scholastic, c2001.
- 31 p. : col. ill. ; 32 cm.
- I spy books .
Includes pages for each month of the year and 2 pages of extra credit riddles.
Rhyming verses ask readers to find hidden objects in photographs.