Deep, Deeper, Deepest: Man's Exploration of the Sea.
Robert F. Marx, in 35 years as an underwater archaeologist, has discovered and excavated ancient shipwrecks over 60 sites worldwide. He has written more than 15 books, several hundred scientific reports and popular articles, and produced or shot over 50 documentary films.
By Robert F. Marx.
Engelstalig, zwart/wit foto's.