A journey of exploration through the caves of the Yorkshire Dales, by Dave Haigh and John Cordingley.
Alan Thomas' collection of cave diving stories of exploration, published under the Ina Books imprint.
The Andros Project expedition report 1987
Blind Descent by James M. Tabor
Muruk by Jean-Paul Sounier
Expedition Gunung Lanno
Le Tour de la Coume Oarnede en 24 Cavites by Stephane Boyer and Jean Flandin