This volume a thorough discussion of the physiological, psychological and practical considerations of deeper diving. It includes detailed information on the U.S. Navy Tables and alternative tables, as well as chapters on planning and conducting deeper dives including numerous methods of rigging decompression lines. Check lists for dive leaders, divers, support personnel and equipment are given. There are chapters on computer divingas well as commercial and deep mixed gas diving. Written in a clear, straightforward style and illustrated with photographs, line drawings, charts and comparative tables, the Essentials of deeper sport diving is useful for all divers and an ideal text for deep diving courses. This volume also makes an excellent adjunct reference for divemaster courses and for instructors. To further increase its effectiveness, the most important points are repeated as bulleted highlights in the margin and each chapter has a summary.