(Paperback)

Mac B. is back the newest installment of this totally smart and sidesplittingly funny new seriesEand this time, a new enemy is after the Crown Jewels! Will Mac solve this locked-room mystery in time Illustrations.

(Hardback)

James Bond meets "Diary of a Wimpy Kid" in this groundbreaking new chapter book series. After the Crown Jewels are stolen, only one person can help the Queen of England: Mac B., her newest secret agent. With fascinating historical facts masterfully sprinkled throughout, this series offers adventure, intrigue, absurdity, history, and humor. Full color.