Full AspenCat Catalog

Following up on the great success of "I Spy Super Challenger" and "I Spy Gold Challenger"--with combined sales of more than 800,000 copies--"I Spy Extreme Challenger" is even harder and more fun than readers can imagine. Toys, animals, food, and utensils are just some of the hidden objects to find.

Celebrates the twentieth anniversary of the 'I Spy' series with classic picture riddles and information on the series' history.