This illustrated reference for scuba divers details safety planning, rescue techniques, and planning related to special situations and environments such as freediving and dangerous marine life. The authors describe how to manage a diving emergency and give guidelines for prevention, equipment use and maintenance, emergency assistance plans and evacuation, emergency recognition, resuscitations, first-aid, and missing diver, surface, and underwater rescues. Orr is associated with the Divers Alert Network and has written several other books on the topic. Douglas, a diver, medical technologist, instructor, and master trainer, researches and develops dive safety programs. Annotation ©2007 Book News, Inc., Portland, OR (booknews.com)