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Mysteries in Our National Parks: Cliff-Hanger: A Mystery in Mesa Verde National Park
Mysteries in Our National Parks: Night of the Black Bear: A Mystery in Great Smoky Mountains National Park
Mysteries in Our National Parks: Out of the Deep: A Mystery in Acadia National Park
Mysteries in Our National Parks: Valley of Death: A Mystery in Death Valley National Park
Mysteries in Our National Parks: Deadly Waters: A Mystery in Everglades National Park
Mysteries in Our National Parks: Escape From Fear: A Mystery in Virgin Islands National Park