The Dig

From Author Wars - https://authorwars.com/publications/the-dig-38455.html

Overview:

Title: The Dig
Author: Alan Dean Foster
Year: 1997
ISBN-10: 0446672548
Publisher: Aspect / Warner Books
Price: $
Pages: 310
Binding: Trade Paperback
Type: Novel
Title Reference: The Dig
Notes:
The date is probably wrong, likely was simultaneous with the hardcover
There are copies for sale but almost all have a date of Feb '95, nearly a year before the hardcover