The Door Into Summer
From Author Wars - https://authorwars.com/publications/the-door-into-summer-378407.html
Overview:
- Title: The Door Into Summer
- Author: Robert A. Heinlein
- Year: 1960
- Publisher: Panther
- Price: 2/6
- Pages: 160
- Binding: Paperback
- Type: Novel
- Title Reference: The Door Into Summer
- Notes:
• "Panther edition published March, 1960" • Printing not stated, no number line • The artist is not credited, no visible signature on the artwork