Hammerhead Pr

year of pub­li­ca­ti­onISBNauthor(s)title
1999978-0-9674305-0-8Steven M. Barsky · Dick Long · Bob StintonDry Suit Diving, Third Edition
  ''978-0-9674305-1-5Steven M. BarskyDiving in High-Risk Environments, Third Edition
978-0-9674305-5-3Underwater Digital Video Made Easy