...is Roger Brucker's fourth book, co-written with James D. Borden. A sequel to The Longest Cave, Beyond Mammoth Cave details the series of expeditions that linked Mammoth Cave with Roppel Cave, expanding the Mammoth Cave System to 300 miles in 1983.

Journey with Brucker, Borden and other explorers as they descend dangerous pits, bellycrawl through bone-chilling water, and dodge falling rocks deep underground. Read about the secrecy and politics of exploring a cave that extends beyond national park boundaries. See how caving competition jeopardized friendships and, at times, endangered lives. Learn why Brucker and Borden are convinced that Mammoth Cave, already the world's longest, will one day exceed 1,000 miles in length!

"[T]his book tells the whole truth...With books like this there will never be a shortage of cavers."
-- NATIONAL SPELEOLOGICAL SOCIETY NEWS

...all the ingredients of high adventure, remote surroundings, physical hardships, clashing personalities and the elation born of important discoveries."
-- LEXINGTON HERALD-LEADER

"...more plot twists, secrecy and intrigue than a Tom Clancy novel."
-- COLUMBUS DISPATCH

"I've read a lot of outdoor books, but this has got to be, honestly, one of the most fascinating."
-- STEVE HORSTMEYER, WKRC-TV

"There is much in this account for the armchair caver as well as the active caver to plunge into and enjoy."
-- LOUISVILLE COURIER-JOURNAL