With more than 100 photos and detailed captions showing how to create safe and simple rock-climbing anchoring systems, this is a take-to-the-crag companion book to our huge-selling ''Climbing Anchors.'' Designed for quick use by climbers on site, this book shows how to properly place and configure natural anchors, passive chocks, mechanical chocks, fixed gear, knots, belay anchors, toprope anchors and rappel anchors. This field guide is up to date with the essential knowledge every climber can depend on.