Inside front cover.
The title is from the cover.
This story is adapted from the story "Lingo" appearing in The Shadow Magazine (Street and Smith, 1932 series) v13#3 (75) (April 1, 1935) written by Walter Gibson [as Maxwell Grant].
last appearance
Character's next appearance was in Army and Navy Comics (Street and Smith, 1941 series) #3 (December 1941).
The Iron Munro comic stories were inspired/based on editor John W. Campbell's Arn Munro short stories in the Astounding Science-Fiction (Street & Smith, 1938 series) pulp.
Bill Barnes appears next in Bill Barnes Comics (Street and Smith, 1940 series) #v1#1 ([July 26] 1941]).