The Promise of Space

From Author Wars - https://authorwars.com/publications/the-promise-of-space-306132.html

Overview:

Title: The Promise of Space
Author: Arthur C. Clarke
Year: Unknown
Publisher: Harper & Row
Price: $8.95
Pages: 325
Binding: Hardcover
Type: Non-fiction
Title Reference: The Promise of Space
Notes:
- Early reprint"This printing revised to include Apollo 11"
- States the code C-U at the bottom of the copyright page.
- No date of publication given for this printing ("Copyright (C)1968 by Arthur C. Clarke").
- The part about Apollo 11 mentions July of 69 in past tense.
- Otherwise the book appears identical to the preceding printing(s). Same page count and same price and code (#YA 0468) on the dust jacket.
- No cover artist stated.