Introduction to Expanded Universe
From Author Wars - https://authorwars.com/books/introduction-to-expanded-universe-121329.html
Overview:
- Title: Introduction to Expanded Universe
- Author: Robert A. Heinlein
- Year: 1980
- Type: Essays
Editions/Publications:
- Unknown. Destinies, Spring 1980 (Unknown, Robert A. Heinlein, Ace Books, ISBN-10: 0441143067, $2.25, 320 pages, Paperback, Anthology)