This issue has variants.
Distributed to newstands in September 1961. This issue includes 10 pages of paid advertisements.
Distribution date from Joseph Marek's Marvel Comics Group history website.
Inks credit from Nick Caputo via the GCD Error List (30 August 2006).
Dick Ayers Inks credit from Marvel Masterworks: Atlas Era Tales of Suspense (Marvel, 2006 Series) #3.
This story is an altered retelling of "A Monster Waits Outside!!" drawn by Steve Ditko from Tales to Astonish (Marvel, 1959 series) #12 (October 1960).
Text story with illustration.
Pencilling credit changed from Don Heck to Jack Kirby due to Error List email, confirmed by Kirby checklist at marvelmasterworks.com. Inker and letterer credit from index of reprint.
George Klein Inks credit from Marvel Masterworks: Atlas Era Tales of Suspense (Marvel, 2006 Series) #3.