The Book of Secrets: Mister Max 2

From Newbery Medalist Cynthia Voigt, Book II in the exciting adventures of Mister Max-12-year-old detective in disguise.
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In Mister Max: The Book of Lost Things, Max Starling proved that he is more than a detective, he's a Solutioneer. His reputation for problem-solving has been spreading-and now even the mayor wants his help.
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Someone is breaking windows and setting fires in the old city, but the shopkeepers won't say a word about the culprits. Why are they keeping these thugs' secrets?
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