Mac B. Kid Spy Series: The Impossible Crime by Mac Barnett Book #2 Hardcover

Mac B. Kid Spy: The Impossible Crime By Mac Barnett Hardcover Book Used 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?