Exploring Neptune's World - Open Water Scuba Texbook

Whether you're new to the sport or a seasoned veteran, this book offers all you need to know and more about the world under the surface, Neptune's World. The most complete and accurate textbook for open water scuba diving and the official text for MDEA open water certification. Written by Dennis Salisbury, our owner and diving sage, has written an interesting a comprehensive guide to learning the basics of scuba diving.