Tools for Brains

From Author Wars - https://authorwars.com/books/tools-for-brains-921928.html

Overview:

Title: Tools for Brains
Author: Schneeman
Year: 1939
Type: Interior Art

Editions/Publications:

Unknown. Astounding Science-Fiction, July 1939 (Unknown, Schneeman, Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)