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Covering every aspect of diving, this book covers all the theory, from the gas laws, how light and sound travels underwater to how diving affects the diver's body. It also includes aspects such as identifying dangerous underwater organisms and how to deal with medical emergencies. The author writes from personal experience with valuable hints.
Jack Jackson is an advanced BS-AC diver who ran a sport diving operation in the Sudanese Red Sea for 12 years. He has been diving exotic locations around the world ever since. An award winning author and photographer, Jack has written and contributed to numerous books including New Holland Publishers' Diving with Sharks, Top Dive Sites of the World, Dive Atlas of the World, two scuba diving manuals and three Globetrotter Dive Guides.