About this item

The Crown Jewels are in danger... again! When the jewels go missing from inside a locked room, Mac's spy skills are put to the test. How did the thief break in? Where did the jewels go? And will Mac be able to solve this locked room mystery before the thief escapes? This mystery isn't just a whodunit... it's a howdunit! The action in this new adventure is nonstop, as Mac travels to an ancient Irish castle to solve the mystery. There, he encounters everything from killer king cobras to bizarre ice sculptures... and even a revenge plot dating back hundreds of years! Will you be able to solve the mystery before Mac does? Also features historical facts masterfully woven throughout the plot, and full-color illustrations on every page. Don't miss the newest installment of this totally smart and sidesplittingly funny new series, Mac B., Kid Spy.



About the Author

Mac Barnett

Mac Barnett is a New York Times-bestselling author whose books for children have sold more than one million copies in the United States and have been translated into over 30 languages. His picture books include two Caldecott-Honor-winning collaborations with Jon Klassen: Sam & Dave Dig a Hole, which also won the E.B White Read-Aloud Award, and Extra Yarn, which won both the Boston Globe-Horn Book Award and the E.B. White Read-Aloud Award. Leo: A Ghost Story, illustrated by Christian Robinson, and The Skunk, illustrated by Patrick McDonnell, were named two of the Ten Best Illustrated Books of 2015 by The New York Times. Mac's novels include the Brixton Brothers series of mystery novels The Terrible Two series. He lives in Oakland, California.



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