Shepherd of the Planets

From Author Wars - https://authorwars.com/books/shepherd-of-the-planets-864356.html

Overview:

Title: Shepherd of the Planets
Author: Summers
Year: 1959
Type: Interior Art

Editions/Publications:

Unknown. Amazing Science Fiction Stories, November 1959 (Unknown, Summers, Ziff-Davis Publishing Company, $0.35, 148 pages, digest, MAGAZINE)
Unknown. Thrilling Science Fiction, August 1973 (Unknown, Summers, Ultimate Publishing Co., Inc., $0.60, 132 pages, digest, MAGAZINE)