I Spy Ultimate Challenger! is the fifth and final book in the I Spy Challengers series.
A complete account of answers can be found here (WARNING: epilepsy throughout).
Pictures[]
- The Rainbow Express (I Spy Fantasy)
- Arts & Crafts (I Spy: A Book of Picture Riddles)
- Baking Cookies (I Spy Christmas)
- A Is For... (I Spy School Days)
- The Treasure Chest Store (I Spy Treasure Hunt)
- Clown's Dressing Room (I Spy Fun House)
- Good Morning (I Spy Spooky Night)
- Sorting and Classifying (I Spy School Days)
- Santa's Workshop (I Spy Christmas)
- Toy Planet (I Spy Fantasy)
- The Secret Note (I Spy Mystery)
- Inventor's Workshop (I Spy Spooky Night)
Extra Credit Riddle Pictures[]
- A Is For...
- Sorting and Classifying
- The Rainbow Express
- Toy Planet
- Good Morning
- Santa's Workshop
- Arts & Crafts
- The Treasure Chest Store
- Baking Cookies
- Clown's Dressing Room
- Inventor's Workshop
- The Secret Note
Trivia[]
- For an unknown reason, the title of the older version of I Spy Mystery was used in both of the versions for the titles of this book.
- I Spy Ultimate Challenger is the only Challenger to...
- Include a picture from I Spy Treasure Hunt.
- Only include a single picture from I Spy: A Book of Picture Riddles.
- Include more than one picture from I Spy Spooky Night.
- Have at least one picture from all Classic books prior to I Spy Love.