SF Encyclopedia Picture Gallery
Robert A Heinlein. The Pursuit of the Pankera: A Parallel Novel About Parallel Universes (Rockville, Maryland: Arc Manor/CAEZIK SF & Fantasy, 2020) [manuscript fragments from 1977 now assembled: first 159 pages identical to The Number of the Beast: introduction by David Weber: Lazarus Long/Future History/World as Myth: hb/Scott Grimando]
Image courtesy of DreamHaven Books