Sight of Proteus

From Author Wars - https://authorwars.com/publications/sight-of-proteus-242185.html

Overview:

Title: Sight of Proteus
Author: Charles Sheffield
Year: 1982
ISBN-10: 0441763421
Publisher: Ace Books
Price: $2.50
Pages: 282
Binding: Paperback
Type: Novel
Title Reference: Sight of Proteus
Notes:
- "First Ace Printing: September 1978"; no number line
- Second printing assumed, as ISBN and price are different than the first printing, but otherwise the same.
- "Cover art by Clyde Caldwell" on copyright page