num_pages: 40
description: With rhyming riddles and search-and-find photographs, this book has sold more than 100,000 copies in hardcover!A compilation of twelve search-and-find photographs culled from the eight original I Spy books with "challenging" new riddles.More than 100,000 copies of I Spy Ultimate Challenger have been sold in hardcover.
language: English
title: I Spy Ultimate Challenger! A Book of Picture Riddles
titlecomplete: I Spy Ultimate Challenger! A Book of Picture Riddles
genres: Picture Books, Childrens, Nonfiction
ratings_count: 182
series: I Spy
publisher: Cartwheel Books