I Spy Extreme Challenger

I Spy Extreme Challenger is the third challenge book in the I Spy series. It has 31 pages of puzzles, and 36 pages overall.

Riddles

 * Yikes!
 * Masquerade
 * The Laughing Clown
 * Old-fashioned School
 * Odds & Ends
 * A Secret Cupboard
 * Christmas Crafts
 * The Mysterious Monster
 * Creepy Crawly Cave
 * Make Believe
 * Monster Workshop
 * The Toy Box Solution