The Alien Ones

From Author Wars - https://authorwars.com/publications/the-alien-ones-105801.html

Overview:

Title: The Alien Ones
Author: Leo Brett
Year: 1963
Publisher: Badger
Price: 2/6
Pages: 158
Binding: Paperback
Type: Novel
Title Reference: The Alien Ones
Notes:
The book is undated; year is taken from Tuck. Artist uncredited but the artwork is signed "Fox" with an "H." underneath.