Mac B. Kid Spy #6: Mac Saves the World bikes and her parents all but

and her parents all but give up hope

Movable snout

finds out they've been letting them stay in the empty rooms for free

and Arthur is now a world-famous adventurer

Mac B. Kid Spy #6: Mac Saves the World bikes and her parents all butMac B. is on another secret mission in this totally true kid spy adventure from New York Times bestselling author, Mac Barnett! The Queen of England calls on her trusty spy, Mac B., once again. This time, Mac must navigate secret tunnels beneath the Berlin Wall in order to retrieve cheat codes from a Soviet scientist. Floppy disk in hand, our hero finds himself trapped in East Germany, stuck between the wall and the Stasi. How will he escape? Well it