Published: December 1970-January 1971
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Story Featuring Challengers of the Unknown
Previously inker listed as Marvin Stein. Per Stein's conversations with Greg Theakston, he did not ink any Challengers stories.
Letter Column Featuring Let's Chat with the Challs
Letter from Jim Vecchio and snippets of other readers' letters.
Ad Featuring Aurora Products
Back cover.
Ad Featuring Honor House Products Novelties
"8 mm motion picture projector"
Inside back cover.
Ad Featuring Famous Artists Schools
"Do you have art talent..."
Ad for two games from Helen of Toy, Co.
In-House Column Featuring Direct Currents
Ad Featuring National Diamond Sales [Jewelry]
"Military men! Your credit is good..."
On the page between the 4th and 5th pages of the previous story sequence.
Story Featuring Superman , Story Featuring Tomahawk
"More for your money..."
On the page between the 2nd and 3rd pages of the previous story sequence. Includes Action Comics.
Ad Featuring MPC Model Kit
Model Products Corporation. On the page between the 2nd and 3rd pages of the previous story sequence.
"$1000.00 paid for this 6c stamp"
Ad for a stamp collectors' catalog from Mail Sack Inc. On the page between the 2nd and 3rd pages of the previous story sequence.
Ad Featuring Littleton Coins
On the page between the 2nd and 3rd pages of the previous story sequence.
Ad for Kenner's SSP Racers.
Ad Featuring Monogram Models
Inside front cover.
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