This issue has variants.
Distributed to newstands in May 1961. This issue includes 10 pages of paid advertisements.
Some information on this issue supplied by Tom Lammers, Dr. Michael J. Vassallo, and others via the Atlas/Timely discussion group. Distribution date from Joseph Marek's Marvel Comics Group history website.
Narrated in the first person. This story is divided into two parts: an untitled part one (6 pp) and part two—"Grogg" (7 pp). Grogg last appeared in issue #83 (April 1961); his next published appearance is in Fantastic Four/Iron Man: Big in Japan (Marvel, 2005 series) #1 (January 2005), while his next chronological appearance is in Marvel Monsters: Monsters on the Prowl (Marvel, 2005 series) #1 (December 2005).
Text story with illustration.