Whether in the balmy waters of a tropical coral reef or the icy cold of the North Sea, scuba diving is a magical way to explore the world beneath the waves. The only YMCA/ Scuba-sanctioned guide, Scuba Diving
Includes:: all the information needed to start this exciting sport. It reviews the standard in all certification courses, with chapters on gear, diving planning, safety & first aid, the science of diving, diving techniques, the underwater environment, & using dive tables & computers. It also introduces divers to skills such as underwater photography, navigation, wreck diving, night diving & cold-water diving.