• by Mark T. Sullivan
  • Narrated by Barbara Edelman
  • 11 hrs and 11 mins
  • Unabridged Audiobook

Publisher's Summary

A heart-pounding rappel into the chasms of darkness.
Whitney Burke is a renowned cave researcher and marine biologist who has abandoned her livelihood after losing an assistant in a tragic caving accident. Though Whitney vows never to enter Labyrinth Cave again, her husband and daughter join a NASA-sponsored caving expedition.
When the expedition is overtaken by a group of criminals, Whitney must overcome her paralyzing fear to save her husband, Tom; her daughter, Cricket; and, ultimately, herself.
Mark T. Sullivan's driving narrative explores the cave's terrifying subterranean atmosphere, a range of fascinating characters, and heart-stopping action sequences. Sullivan drops the reader into the story with force and momentum in this intensely told and adroitly crafted thriller, an astounding tale of adventure.


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Customer Reviews

Most Helpful

It starts slow

This book takes some time to get into the story, but once you get to the cave it's nonstop excitement from then on.
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- Amazon Customer

Book Details

  • Release Date: 10-23-2012
  • Publisher: Audible Studios