Beyond This Horizon

From Author Wars - https://authorwars.com/publications/beyond-this-horizon-263263.html

Overview:

Title: Beyond This Horizon
Author: Robert A. Heinlein
Year: Unknown
ISBN-10: 0451075994
Publisher: Signet
Price: $1.50
Pages: 158
Binding: Paperback
Type: Novel
Title Reference: Beyond This Horizon
Notes:
• Copyright 1948 No other date of publication
• Sixteenth printing by number line 16 17 18 19 20 21
• Ads in the back don't help as the editions for sale are undated as well
• Price puts the date in '76/'77
• The artist is not credited, szafran is on the cover
• W7599 on the cover, full ISBN on the spine only
• Printed in the US