* Part of the popular Hiking Geology series * Appendices cover additional geologic information for the non-geologist * Everything needed to plan the trip, including information about permits, lodging and camping, mule rides, and recommended day trips Etched on the Grand Canyon's steep walls are stories of how this majestic landscape came to be: volcanic islands, stark deserts, and tranquil seas come and gone, and histories of plants and animals that have made this place their home....