Adventure in Grand Canyon National Park: A Mystery Adventure (National Park Mystery Series)
The Emerald Mile: The Epic Story of the Fastest Ride in History Through the Heart of the Grand Canyon
Down the Great Unknown: John Wesley Powell's 1869 Journey of Discovery and Tragedy Through the Grand Canyon
A Walk in the Park: The True Story of a Spectacular Misadventure in the Grand Canyon
Weird Scenes Inside the Canyon: Laurel Canyon, Covert Ops & the Dark Heart of the Hippie Dream
