In Archaeology Under Water (1966: 19), pioneer nautical archaeologist George Bass pointed out how much easier it is to train someone who is already an archaeologist to become a diver than to take trained divers and teach them to do archaeology. While this is 'generally true, there have also been occasions when well-trained and enthusiastic sport-divers have been willing to accept the train- ing and discipline necessary to conduct good archaeological science, becoming first-rate scholars in the process. Dr. Donna Souza's book is the product of just such a transition. It shows how a sport-diver...