Crisis Zero

From Chris Rylander, author of the breakout hit Fourth Stall saga, comes the third book in the Codename Conspiracy series—an incredibly funny and clever mash-up of middle grade school story and spy adventure, perfect for fans of Gordon Korman.

There is a computer program so unspeakably powerful that its mere existence is unknown to all but the most senior government agents. This computer program is capable of controlling every aspect of communication, transportation, and defense on the plane...