Trapped!: The Story of Floyd Collins - Robert K. Murray

Brucker, Roger W.: - Roger W. Brucker is a lifelong cave explorer and cofounder of the Cave Research Foundation. He is coauthor of several books, including The Longest Cave with Richard A. Watson, and is also author of Grand, Gloomy, and Peculiar: Stephen Bishop at Mammoth Cave and Mama Says, Don't Cave: Ergor's Unbelievable Cave Stories (under the pseudonym Ergor Rubreck).