Budding readers enjoy the rhythmic writing and the bright, clear photos in the award-winning I SPY series books by Jean Marzollo. The varied topics covered can help kids learn to think and learn to read. For kids who are ready for the next level of I SPY mania, discover the Challenger collection which is chock-full of riddles. Plus, learn everything there is to know about the series, including online games, DVDs and board games at the Scholastic Family Playground.