The Exiles Trilogy

From Author Wars - https://authorwars.com/publications/the-exiles-trilogy-216461.html

Overview:

Title: The Exiles Trilogy
Author: Ben Bova
Year: 1982
ISBN-10: 0425057143
Publisher: Berkley Books
Price: $2.75
Pages: 441
Binding: Paperback
Type: Omnibus
Title Reference: End of Exile
Notes:
4th printing per copyright page, no number line. Artist not credited.