Orion

From Author Wars - https://authorwars.com/publications/orion-655847.html

Overview:

Title: Orion
Author: Ben Bova
Year: 1985
ISBN-10: 0812532155
Publisher: Tor
Price: $3.50
Pages: 432
Binding: Paperback
Type: Novel
Title Reference: Orion
Notes: "First TOR printing: April 1985" "Second printing/April 1985" "CAN. ED.: 0-812-53216-3" Portions of this book previously appeared in Analog Science Fiction/Science Fact Magazine as "Floodtide" C$3.95 According to locus1, first printing from same month has different price, $2.95 Artist credited on title page and artwork signed Boris 84