This updated edition of the mountaineering classic is an essential reference for novices and experts alike. Chapters are devoted to in-depth discussions of outdoors fundamentals; climbing techniques for rock, snow, and ice; safety procedures and emergency response; geology and weather; and appendices for climb ratings and supplementary reading, among other topics. Detailed sections on navigation, ropes, knots, and protection include drawings, diagrams, and maps. Enjoy the freedom of the hills to the fullest with this thorough guide.