Images: Jack Dykinga's Grand Canyon
CHARLES BOWDEN: The author of more than 20 non-fiction books, he is a winner of the Lannan Literary Award for Nonfiction. Of one of Bowden s books, Frog Mountain Blues, New York Times book reviewer Emerson Trout wrote: "His prose trembles with a raw and vital energy that I find missing from much of the current writing about the vital questions of wildness and wilderness." Bowden lives in Tucson.WAYNE RANNEY: A geologist, author and guide, he strives to share his appreciation of the earth and its geologic history with anyone who is curious about landscapes and how they might have formed. In 2000, he participated in the Symposium on the Origin of the Colorado River that included more than 70 geologists. His book, Carving Grand Canyon, won the Glyph Award in the Best Science category from the Arizona Book Publishing Association and honorable mention from the National Outdoor Book Awards. Ranney lives in Flagstaff.