- Snorkeling and Diving (Recreational Sports) by Paul Mason, 2007-08
- Investigating Recreational and Commercial Diving Accidents by Steven M. Barsky, Tom Neuman, 2003-09
- The Encyclopedia of Recreational Diving by Alex Brylske, Drew Richardson, et all 1988-12
- The Recreational Diver's Dictionary & Historical Timeline: and Historical Timeline by Scott Dowding, 2003-11-23
- Recreational Trimix Diving by Kevin Evans, 2009-10
- Scuba Diving (Active Sports) by Valerie Bodden, 2009-01
- Workbook for The New Science of Skin and Scuba Diving
|