6Mac 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: Mac B., kid spy. Mac's adventure takes him on a top-secret museum night watch, zip-lining in Italy with his trusty corgi sidekick, and on an undercover mission in the heart of enemy territory. But when he ends up as a captured prisoner, is the mission lost for good?Catch the latest hilarious adventure in the New York Times bestselling Mac B., Kid Spy books! Mike Lowery's signature illustrations appear on every page and historical facts are woven throughout, along with intrigue, history, hilarity and more. Discover this TOTALLY TRUE, wholly original, and side-splittingly funny kid spy action-packed adventure, from the wildly talented author Mac Barnett.

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