Subterranean

From Author Wars - https://authorwars.com/publications/subterranean-360235.html

Overview:

Title: Subterranean
Author: James Rollins
Year: 2007
ISBN-10: 9780380792641
Publisher: Harper
Price: $7.99
Pages: 410
Binding: Paperback
Type: Novel
Title Reference: Subterranean
Notes:
"First Harper paperback printing: March 2007"
"First Avon Books paperback printing: June 1999"
"First Avon Books special printing: January 1999"
This is the 32nd printing of the 2007 Harper edition per the number line. [Incorrectly/Intentionally] dated to the first Harper edition. (Kpulliam - Sept 2011)