Señores de las estrellas

From Author Wars - https://authorwars.com/books/senores-de-las-estrellas-2667471.html

Overview:

Title: Señores de las estrellas
Author: A. Thorkent
Year: 1976
Type: Short Fiction

Editions/Publications:

Unknown. Señores de las estrellas (Unknown, A. Thorkent, Bruguera, Pta 20, 96 pages, Paperback, Chapter Book)
Unknown. Guerra galáctica / Señores de las estrellas (Unknown, A. Thorkent, Robel, ISBN-10: 8496232417, 189 pages, Trade Paperback, Collection)