Andrew North is a nine year old boy and he thinks his dad and brother are spies. He finds a weird calculator in his brother's room and he thinks, with its powers, it could BLOW UP THE WORLD!!!! So, he brings it to school, and his teacher confiscates it from. Then, the janitor puts it in his special closet, and he decides that the janitor is also a spy, but a bad one. So, is he really a spy or just a odd janator? Read Andrew North Blows up the World to find out.