The Messiah Stone

From Author Wars - https://authorwars.com/publications/the-messiah-stone-44098.html

Overview:

Title: The Messiah Stone
Author: Martin Caidin
Year: 1986
ISBN-10: 0671655620
Publisher: Baen Books
Price: $3.95
Pages: 407+[6]
Binding: Paperback
Type: Novel
Title Reference: The Messiah Stone
Notes:
"First printing, April 1986"; no number line LCCN from LoC catalog lookup. "Cover art by David Mattingly" on the copyright page. No visible signature on the wraparound cover. The lengthy "About the Author" is on pages [409]-[411].