VerticalAuthor: Alan Warild
Publisher: Speleological Research Council Ltd, Broadway, Australia. 1990.
ISBN: 0-9589253-6-4
Number of Pages: 128
* a review of the 'state of the art' vertical caving techniques
* techniques tested in the world's most demanding caves
* expands the repertoire of the expert caver
* an informed introduction for the first time vertical caver