When Leonard Fisher claims that the Smithsonian and all its museums belong to him, Washington D.C. goes into an uproar. KC Corcoran and her best friend Marshall have a feeling that there is something fishy about Fisher. But if they are wrong, the United States may lose the Smithsonian forever! 有一位Fisher先生自稱是著名的史密森尼博物館創始人的孫子，並要求美國政府將他祖父的遺產還給他。KC跟Marshall那天剛好也在場，當Marshall提出驗DNA來證明時，Mr. Fisher的臉上出現了一種很詭異的笑容，這讓KC跟Marshall覺得很奇怪，Mr. Fisher是真的繼承人還是個大騙子呢？

作者簡介：

Ron Roy is the author of Random House's popular A to Z Mysteries. He lives in an old farmhouse in Connecticut with his white puppy, Pal. When he's not writing a thrilling new A to Z Mystery or Capital Mystery, Ron Roy spends his time traveling all over the country and restoring his Connecticut farmhouse. Timothy Bush is a writer-illustrator with many children's projects to his credit, including the elaborate visual extravaganza James in the House of Aunt Prudence. He lives in New York, New York.

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