The event, entitled I SPY A CELEBRATION! 20 Years; 20 Kids; 20 Riddles, featured students finding 20 objects hidden around a 12-foot-high birthday cake built on Military Island.
Since the first I SPY book was published in 1991, the program has expanded to include 42 million books in print and an Emmy Award-winning television series that currently airs on HBO Family in the U.S. and has been sold to more than 20 countries in 12 languages worldwide.
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(© A. Walker/Scholastic)
