The Silent World Author:J. Y. Cousteau "In this fascinating report, Cousteau and Dumas tell what it is like to be "menfish" swimming in the deep twilight zone with sharks, mantas, morays, whales and octopi. . . Cousteau, Dumas and their courageous teams of divers have used their new techniques of exploration to make important discoveries in almost every branch of science. In 'The si... more »lent world' they share with us the greatest undersea experience men have ever had.« less