Africa and Asia: mapping two continents.
Ettinger, Nathalie.Heartland of Asia.
Huxley, Elspeth,1907-1997.Challenge of Africa.
Hamilton, Paul.Seas of sand.
London : Aldus Books,
1973.
Includes index.
The heartland of Asia / Nathalie Ettinger. Originally published 1971 -- The challenge of Africa / Elspeth Huxley. Originally published 1971 -- Seas of sand / Paul Hamilton. Originally published 1971.