Download or read book The Great Grand Canyon Time Train written by Susan Lowell and published by Rio Chico Books for Children. This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Take off with Sam and Rosie as they go on a magical, geological trip back through time to the bottom of the Grand Canyon. With Major Powell as their guide, the twins encounter trilobites, metamorphic mud, and the many wonders that have developed over the years.