To Unplumbed Depths

The most exciting tales of undersea exploration told by a famous diver, scientist and adventurer. When everything seemed to have been discovered already, Hans Hass succeeded in opening up unknown worlds beneath the surface of the seas. Hass, that rare man who is both a pioneering scientist and a successful populariser, has played a huge role in opening up our knowledge of the secrets of the sea and its animal life. Photographs throughout...