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A group of daring jewel thieves should be no match for the traps in Tom, Kojo, and Sima's new game, but they keep beating the program. Can the gamers outsmart the thieves with a clever piece of technology to save the jewel?


Sue Graves has taught for 30 years and has been writing for more than 10 years. She has written more than 100 books for children and young adults.