Cartoon: "I understand you've been to Earth."
From Author Wars - https://authorwars.com/books/cartoon-i-understand-youve-been-to-earth-859567.html
Overview:
Editions/Publications:
- Unknown. Amazing Stories, October 1956 (Unknown, Frosty, Ziff-Davis Publishing Company, $0.35, 132 pages, digest, MAGAZINE)
- 2013 . Amazing Stories, October 1956 (2013, Frosty, Pulp Tales Press, ISBN-10: 9780615849584, 132 pages, digest, Anthology)