Round Trip Space Ship

From Author Wars - https://authorwars.com/publications/round-trip-space-ship-28542.html

Overview:

Title: Round Trip Space Ship
Author: Louis Slobodkin
Year: 1968
Publisher: Macmillan
Price: $4.50
Pages: 167
Binding: Hardcover
Type: Novel
Title Reference: Round Trip Space Ship
Notes:
• Price from Tuck • OCLC notes illustrations but no credit