Three Steps Spaceward

From Author Wars - https://authorwars.com/books/three-steps-spaceward-1975421.html

Overview:

Title: Three Steps Spaceward
Author: Ed Emshwiller
Year: 1963
Type: Interior Art

Editions/Publications:

Unknown. Emshwiller: Infinity x Two (Unknown, Ed Emshwiller, Nonstop Press, ISBN-10: 1933065087, $39.95, 173 pages, Hardcover, Non-fiction)