Although scientists have studied the Grand Canyon for more than 150 years, a definitive answer as to how or when the canyon formed eludes the world's most powerful minds. Scientists agree that the erosive power of the Colorado River carved the canyon, but the river itself carried away the evidence of its earlier history. Carving Grand Canyon highlights the intriguing ideas and innovative theories that geologists have developed over time. The story of the evolution of a fascinating landscape is told in an engaging style that everyone will find inviting.

Watch a lecture about the book presented by Wayne Ranney at the Sedona Public Library, AZ. Click HERE.

Honorable Mention, Nature and the Environment Category, 2006 National Outdoor Book Awards.