The Mindwarpers

From Author Wars - https://authorwars.com/publications/the-mindwarpers-44172.html

Overview:

Title: The Mindwarpers
Author: Eric Frank Russell
Year: 1965
Publisher: Lancer Books
Price: $0.50
Pages: 158
Binding: Paperback
Type: Novel
Title Reference: The Mindwarpers
Notes:
• "A Lancer Book • 1965" • Rear cover asserts "Never Before Published", which is true under this title • Previously issued as With a Strange Device by Dobson in '64 • The artist is not credited, no visible signature [definitely Powers' style].