My best friend is a secret agent

Ten-year-old Nort McKrakken is a pint-sized computer genius and madcap inventor. Fourteen-year-old Chip Munson is his best friend and loyal guinea pig. When Nort creates C.H.I.P.--a microsized computer thingy--and sticks it on his best friend's tooth, it turns Chip into a real-life secret agent. With Chip's C.H.I.P. and Nort's brain, the pair is ready for anything... even middle school. In the first My Best Friend Is a Secret Agent book, Nort and...