Speleology

Microbial life of cave systems

edited by Annette Summers Engel

Cave detectives: unraveling the mystery of an Ice Age cave

written by David L. Harrison.

Encyclopedia of Caves

William B. White, David C. Culver, Tanja Pipan, William B. White

Spelology Caves & the Cave Environment

N. Sullivan

On Rope: North American Vertical Rope Techniques for Caving ... Rappellers

Smith, Bruce, Bruce Smith, Allen Padgett

Trapped! the Story of Floyd Collins: The Story of Floyd Collins

Roger W. Brucker, Robert K. Murray

Deep in caves and caverns

Lynn and Gray Poole.

Mammoth Cave: A Human and Natural History

Elizabeth G Winkler, Rickard A Olson, Horton H. Hobbs III, David C. Culver, Elizabeth G. Winkler, Rickard A. Olson, David Culver

Caverns of magic: caves in myth and imagination

by Hal G.P. Colebatch ; with a foreword by Harry Butler.

Cave sleuths

Laurie Lindop.