Space Tug

From Author Wars - https://authorwars.com/publications/space-tug-112021.html

Overview:

Title: Space Tug
Author: Murray Leinster
Year: 1968
Publisher: Belmont Books
Price: $0.50
Pages: 157
Binding: Paperback
Type: Novel
Title Reference: Space Tug
Notes:
• "Second printing—November 1968"; no number line • The artist is not credited, the initials "JG" are on the artwork • B50-846 on cover, 500-00846-50 on spine • Printed in the US