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An Instinct for Trouble

Book #95 of Nancy Drew Files

Nancy joins her boyfriend Ned’s expedition to Yellowstone National Park to research the marmot. But the natural wonders of Yellowstone have turned into a setting for unnatural danger, as the furry little mammal becomes the focus of human greed and a criminal plan to steal them from their home!

More books from this author: Carolyn Keene

More books in this series: Nancy Drew Files