Published: September 1966
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Story Featuring Superman
"Oof!"
An atomic explosion seems to split Superman and Clark Kent into separate people, but it's a plot by Professor Vakox to trap Superman in the Phantom Zone.
Story Featuring Supergirl
"Help!"
With Superman on a space mission, Supergirl has a day full of emergencies to deal with, but there's a big surprise at the end of it.
Reprints are common for the next year or so, until about #355.
Story Featuring Challengers of the Unknown
house ad for Challengers of the Unknown (DC, 1958 series) #52, on sale August 4
house ad for Superman's Girl Friend, Lois Lane (DC, 1958 series) #68 [80 Page Giant #G-26], on sale July 12
Letter Column Featuring Metropolis Mailbag
Letters submitted by Karl Garcia, John Raiss, Connie Shutt, Susan Hiser, and Enoch James.
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