This book is part of a book series called Jake Ransom .

This book has been graded for interest at 8-12 years.

There are 832 pages in this book. This book was published 2014 by HarperCollins .

James Rollins is a bestselling action-advernture novelist. An amateur spelunker and scuba enthusiast, he holds a doctorate in veterinary medicine from the University of Missouri. He currently lives and writes in Sacramento, California.