Heinlein & Simak
From Author Wars - https://authorwars.com/books/heinlein--simak-1087365.html
Editions/Publications:
- Unknown. Locus, #330 July 1988 (Unknown, Ben Bova, Locus Publications, $2.95, 72+[6] pages, quarto, MAGAZINE)
From Author Wars - https://authorwars.com/books/heinlein--simak-1087365.html