Between Planets

From Author Wars - https://authorwars.com/publications/between-planets-263227.html

Overview:

Title: Between Planets
Author: Robert A. Heinlein
Year: 1975
Publisher: Ace Books
Price: $1.25
Pages: 190
Binding: Paperback
Type: Novel
Title Reference: Between Planets
Notes:
• "Copyright, 1951"; no other statement of publication/printing. • Publication date from Locus #182 (December 17, 1975). • Cover art is credited to Savage on the copyright page; the artwork is also signed • Frontispiece is credited to Geary on the copyright page, no visible signature • OCLC lists the first Ace printing only, #05500