I Spy: Ultimate Challenger

Search-and-find riddles paired with amazing photographs will captivate kids of all ages in the bestselling I Spy series.

Think you know every I Spy book out there? Think you've found every last bauble, bow, striped cat, and cloudy ship? Think again! Jean Marzollo has written her most challenging riddles yet to accompany Walter Wick's fabulous photographs culled from the original I Spy books. You've never seen I Spy like this!

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