The Sound of Danger (Mac B., Kid Spy #5)

Mac B. is on a secret mission to retrieve a stolen, priceless piece of history in this totally true kid spy adventure from New York Times bestselling author, Mac Barnett! England is in trouble! A priceless violin has been stolen, and there's only one person who can help: kid spy, Mac B. Mac's adventure takes him on a top-secret museum night watch and face-to-face with a mummy, zip-lining in Italy with his trusty corgi sidekick, and finally, on an undercover mission in the heart of enemy territor