Looking inside caves and caverns /
Ron Schultz ; illustrated by Nick Gadbois and Peter Aschwanden.
- Santa Fe, N.M. : New York, N.Y. : Bothell, WA : John Muir Publications ; Distributed to the book trade by W.W. Norton ; Distributed to the education market by the Wright Group, 1993.
- 46 p. : col. ill. ; 28 cm.
- X-ray vision .
Includes index.
Explores the world of caves and describes the work of speleologists and cavers.