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Skin and Scuba Diver by Lil Borgeson and Jack Speirs,  1966
NSS cavern diving manual by John L Zumrick,  1988
Mapping underwater caves by Sheck Exley,  1973
Lure of the labyrinth by W. H Koehler,  1971
 
 
 
The Taming of the Slough by Sheck Exley, Gerald J. Murphy, et all  2004-04
The Mysterious Treasure of the Slimy Sea Cave (Heebie Jeebies #3) by Rod Randall, Paul Buchanan,  1999-01
World Adventure Dives: The World's Most Exciting Wreck, Cave, Shark and Big Fish Dives by Jack Jackson,  2011-03-01
The Cenotes of the Riviera Maya by Steve Gerrard,  2000-01-18
Down to a Sunless Sea: A Tiller Galloway Underwater Thriller by David Poyer,  1998-01-15
Dangerous designs by Laura Raef,  1981
Deep Into Blue Holes: The Story of the Andros Project by Rob Palmer,  1997-03 |