Earth's last frontiers
Thayer, WillisFrozen world.
Hindley, Geoffrey.Roof of the world.
Proujan, Carl.Secrets of the sea.
London Aldus Books
1973
Includes index
Contents: Willis, Thayer. The frozen world. Originally published 1971 - Hindley, Geoffrey. The roof of the world. Originally published 1971 - Proujan, Carl. Secrets of the sea. Originally published 1971
Discoveries in geography.