The Promise of Space

From Author Wars - https://authorwars.com/publications/the-promise-of-space-267243.html

Overview:

Title: The Promise of Space
Author: Arthur C. Clarke
Year: 1968
Publisher: Harper & Row
Price: $7.50
Pages: xxi+325
Binding: Hardcover
Type: Non-fiction
Title Reference: The Promise of Space
Notes: Unknown