Million climbers from all over the world. The fully updated seventh edition maintains the same high standard for complete, authoritative instruction in an easy-to-use format. From choosing equipment to how to tie a particular knot, from basic rappelling technique to planning an expedition, it's all here in this essential mountaineering reference. Continued evolution to the sport ensures that climbers who own previous editions will need to "upgrade" to the new seventh edition. The chapter on aid climbing, for example, has been substantially rewritten to include new aid techniques and equipment. A new chapter has been added to meet the rising popularity of waterfall ice and mixed climbing. The more than thirty contributors to Freedom 7 are all active climbers who regularly use and teach the skills about which they write. This book is the resource trusted by climbers the world over.