Synopsis by Sandra Brennan
In this adventure a treasure hunter sets off to dangerous Mercury Island in search of a fabulous underwater treasure. The explorer is a free-lance surveyor who goes there with his lovely girl friend. Once upon the island they must earn the trust of an enigmatic fellow, deal with an active volcano, Nazis, and a curse.
adventurer, curse, fortune [wealth], island, Nazism, opal, premature-burial, search, treasure