Interest LevelReading LevelReading A-ZATOSWord Count
Grades 4 - 8Grades 6 - 8V5.6118460

Dozens of children respond to this peculiar ad in the newspaper and are then put through a series of mind-bending tests, which readers take along with them. Only four children-two boys and two girls-succeed. Their challenge: to go on a secret mission that only the most intelligent and inventive children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules. But what they'll find in the hidden underground tunnels of the school is more than your average school supplies. So, if you're gifted, creative, or happen to know Morse Code, they could probably use your help.

Paperback, 512 pages
Published on April 1, 2008 by Little, Brown Books for Young Readers
ISBN-10: 0316003956
ISBN-13: 9780316003957
126 Book Reviews
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  • hiSaturday, February 9, 2019 at 6:04 pm
    • hiSaturday, February 9, 2019 at 6:04 pm
      This book was the best book ever.
      • gilboi
        gilboiFriday, February 8, 2019 at 10:59 am55 stars
        It is THE most amazing spy series out there!
        • rrrrrrSaturday, January 26, 2019 at 4:36 pm
          this book is awesome
          • gamer527
            gamer527Monday, January 14, 2019 at 4:27 pm
            I read this book In two weeks and it is 500 pages. it is an amazing book and I really recommend it to anybody who loves adventure books.
            • shootingstars
              shootingstarsWednesday, January 9, 2019 at 7:37 am55 stars
              I love this book! It’s filled with mysteries and clues and will keep you up all night!
              • miniongirlSunday, December 30, 2018 at 12:02 pm
                I'm gonna read this book really soon
                • okMonday, November 26, 2018 at 11:42 am
                  this book is pretty good
                  • ezernaad
                    ezernaadSunday, October 21, 2018 at 2:36 pm55 stars
                    Awesome book with a great way of getting the message to you
                    • I_love-booksThursday, October 18, 2018 at 9:23 pm
                      So I honestly really enjoyed this book it had engaging characters and a great plot. I just think that the blurb on the back cod maybe make it seem like the whole book isn't some kids taking tests.

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