From the esteemed New York Times bestselling and multi-award-winning author Mac Barnett comes a thrilling, hilarious fully-illustrated new spy adventure series!

Mac B. and his arch-nemesis are facing off at the Video
Game World Championships! But first, Mac B. needs to crack an
unbreakable secret code... can he solve it in time to defeat his
enemy? Find out in this kid spy adventure from New York
Times bestselling author, Mac Barnett!
The Queen of England calls on Mac B. once again! This time, Mac
must crack a secret code that has been recovered from a double
agent. A series of clues leads Mac to France, and then to Japan,
where he comes face-to-face with his arch-nemesis, the KGB man ...
and the world headquarters of Nintendo!