Protector

From Author Wars - https://authorwars.com/publications/protector-275166.html

Overview:

Title: Protector
Author: Larry Niven
Year: 1975
ISBN-10: 0345247787
Publisher: Ballantine Books
Price: $1.50
Pages: 218
Binding: Paperback
Type: Novel
Title Reference: Protector
Notes:
"Fourth Printing: April, 1975"; no number line "Cover art by Dean Ellis" on copyright page, no visible signature on the artwork