The Grand Canyon is one of the most iconic tourist destinations in America and a testament to the power of nature. At its bottom, the Colorado River weaves its way through Arizona. The canyon is 277 miles long, 18 miles wide, and more than a mile deep. Native Americans have inhabited the walls of the canyon and the area around it for thousands of years, making it a location rich in human history as well as geological history.  In this young reader’s book, the author lays out the history of the Grand Canyon in its many facets. He includes geological and volcanic history, ecological history, human history, and its history as an attraction. By weaving these all together, the author allows the reader to better understand the mile-deep canyon weaving its way through the Southwest.