It's a Young World

From Author Wars - https://authorwars.com/books/its-a-young-world-1916698.html

Overview:

Title: It's a Young World
Author: Hannes Bok
Year: 1975
Type: Interior Art

Editions/Publications:

Unknown. 2000 A.D.: Illustrations from the Golden Age of Science Fiction Pulps (Unknown, Hannes Bok, Henry Regnery, ISBN-10: 0809281171, $7.95, 176 pages, Trade Paperback, Non-fiction)