A Stone in Heaven

From Author Wars - https://authorwars.com/publications/a-stone-in-heaven-215309.html

Overview:

Title: A Stone in Heaven
Author: Poul Anderson
Year: 1979
ISBN-10: 0441786561
Publisher: Ace Books
Price: $5.95
Pages: 256
Binding: Trade Paperback
Type: Novel
Title Reference: A Stone in Heaven
Notes:
• "First Ace Printing: October 1979" • Full number line 2 4 6 8 0 9 7 5 3 1. • Cover art is credited to Michael Whalen on the copyright page, the artwork also has his 'sigil'. • Interior illustrations (61, mostly full-page) by Esteban Moroto.