Planet of the Small Men / Masters of Space

From Author Wars - https://authorwars.com/books/planet-of-the-small-men--masters-of-space-1783736.html

Overview:

Title: Planet of the Small Men / Masters of Space
Author: uncredited
Year: 2014
Type: Omnibuses

Editions/Publications:

2014 . Planet of the Small Men / Masters of Space (2014, uncredited, Armchair Fiction, ISBN-10: 9781612872209, $12.95, 232 pages, Trade Paperback, Omnibus)