[the Quest to Discover the Deepest Place on Earth]Downloadable Audiobook - 2010
The deepest cave on earth was a prize that had remained unclaimed for centuries, long after every other ultimate discovery had been made: both poles by 1912, Everest in 1958, the Challenger Deep in 1961. In 1969 we even walked on the moon. And yet as late as 2000, the earth's deepest cave--the supercave--remained undiscovered. This is the story of the men and women who risked everything to find it, earning their place in history beside the likes of Peary, Amundsen, Hillary, and Armstrong...
Publisher: New York : Books on Tape, 2010.
Edition: Library ed.
Characteristics: 1 sound file : digital.