About this title: Math detectives George Frankly and Pat Tuesday take a wrong turn going to a mystery weekend and come to a manor where they need their math skills to solve a real mystery.
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Description: Good. Light shelf wear and minimal interior marks. Millions of satisfied customers and climbing. Thriftbooks is the name you can trust, guaranteed. Spend Less. Read More. read more
Description: Good. Former Library book. Shows some signs of wear, and may have some markings on the inside. Shipped to over one million happy customers. Your purchase benefits world literacy! read more
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