Rhyming verses ask readers to find hidden objects in the photographs.

Rhyming verses ask readers to find hidden objects in photographs.

Simple text challenges the reader to find objects hidden in the photographs.

Rhyming text invites young readers to find hidden objects in the photographs, or the matching of words or letters with objects.

Find objects in picture puzzles.

Simple text challenges the reader to find objects hidden in the photographs.

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.