Author's Afterword (Vengeance of Orion)
From Author Wars - https://authorwars.com/books/authors-afterword-vengeance-of-orion-1871303.html
Editions/Publications:
- Unknown. Vengeance of Orion (Unknown, Ben Bova, Tor, ISBN-10: 0812531612, $3.95, 342 pages, Paperback, Novel)