Epoch

From Author Wars - https://authorwars.com/books/epoch-396851.html

Overview:

Title: Epoch
Author: Richard Powers
Year: 1975
Type: Cover Art

Editions/Publications:

Unknown. Epoch (Unknown, Richard Powers, Berkley/Putnam, ISBN-10: 0399114602, $10.95, viii+623 pages, Hardcover, Anthology)
Unknown. Epoch (Unknown, Richard Powers, Berkley/Putnam / SFBC, $3.98, x+593 pages, Hardcover, Anthology)