Showing 1 - 5 of 5 Results
1.
Deep Diving by Watts, Hal, Humpal, Laurie C. ISBN: 9781880229040 List Price: $10.95
2.
Instructor Training Course - Evaluation Guide for the Instructor Certifier by Humpal, Laurie, Clark, Robe... ISBN: 9781880229422
3.
Instructor Training Course by Humpal, Laurie, Clark, Gary... ISBN: 9781880229446
4.
Scuba Skills Update by Humpal, Laurie C. ISBN: 9781880229361
5.
Deep Diving by Watts, Hal, Humpal, Laurie C. ISBN: 9781880229057 List Price: $6.95