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. is back... and this time, a new enemy is after the Crown Jewels! Will Mac solve this locked-room mystery in time? The Crown Jewels are in danger... again

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, Ma

Mac B. is back on another madcap adventure -- this time a stolen raven threatens to topple the Queen and it's up to Mac to smackdown his KGB rival once and for

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