The Door Into Summer
From Author Wars - https://authorwars.com/publications/the-door-into-summer-416840.html
Overview:
- Title: The Door Into Summer
- Author: Robert A. Heinlein
- Year: 1968
- Publisher: Signet / New American Library of Canada
- Price: C$0.75
- Pages: 159
- Binding: Paperback
- Type: Novel
- Title Reference: The Door Into Summer
- Notes:
- Printing History:
- First Printing, March, 1964
- Second Printing, May, 1966
- Third Printing, December, 1968
- No number line; the history is for Canadian printings
- The artist is not credited, no visible signature; artwork is cropped from the first printing which showed Lehr's signature
- Printing History: