The Tree Climber's Companion
2nd Edition, revised and expanded. The International Society of Arboriculture gives this book their  thumbs up. Teaches methods of climbing and working safely in trees with a minimum of unnecessary effort and maximum productivity. Illustrated book is recommended for anyone who climbs and works in trees. Includes P.E.P. a systematic approach to tree climbing. Also, tricks of the trade, knots for the climber, equipment and supplies, skill performance sheets, and safety standards. By Jeff Jepson, Certified Arborist and climbing champion. 104 pages.