The table of contents (on the inside front cover of the issue) is illustrated with images of several heroes.
Inking credit changed to correspond with original publication in Adventure Comics (DC, 1938 series) #117.
The pages numbered 8, 17, and 25 are actually only 2/3 of a page with a house ad filling the remainder of the space.
Inks credit from Bob Hughes. George Klein credited in story.
Inside back cover. Features letters from Richard H. Morrissey and Mark Lucke.