Provides detailed, authoritative descriptions of more than one hundred of the best trails--from easy, level day hikes along the Canyon's North and South Rims, to rigorous but rewarding rim-to-river treks and trans-canyon expeditions. Author and seasoned Grand Canyon adventurer John Annerino offers invaluable information to help you plan your trip, ensure your safety and comfort, and enhance your enjoyment of the Grand Canyon's natural wonders--including...