5 second hand books in my Sport: Caving & Potholing catalogue.
Caves of Adventure: An Account by an Explorer-Scientist of Danger, Discovery and Death Beneath the Surface of the Earth - Haroun Tazieff
London: Hamish Hamilton, Hardback, 1953, Hardback in Dust Wrapper £23.50
How Underground Britain Is Explored - Showell Styles
London: Routledge & Kegan Paul, Hardback, 1959, Hardback in Dust Wrapper £18.50
More Years Under the Earth - Norbert Casteret
London: The Scientific Book Club, Hardback, 1962, Hardback in Dust Wrapper £12.00
The Last Adventure - Alan Thomas
Wells: INA Books, Hardback, 1989, Hardback £10.00
Wilderness Under the Earth - Herbert W. Franke
London: The Scientific Book Club, Hardback, 1958, Hardback in Dust Wrapper £10.00