Darker Than You Think

From Author Wars - https://authorwars.com/publications/darker-than-you-think-329766.html

Overview:

Title: Darker Than You Think
Author: Jack Williamson
Year: Unknown
ISBN-10: 0722191669
Publisher: Sphere
Pages: 238
Binding: Paperback
Type: Novel
Title Reference: Darker Than You Think
Notes: Later Sphere printing