Challengers of the Unknown (vol. 1) #7 (Apr.-May 1959):
“Countdown for a Doomed Planet”
by Jack Schiff, Bernard Baily

Challengers of the Unknown (vol. 1) #7

Title: “Countdown for a Doomed Planet”

Medium: prose text story

Cover date: Apr.-May 1959

Publisher:
Written by: Jack Schiff
Art by: Bernard Baily

Number of Pages: 1

The process of listing characters who appeared in this source is not yet complete. This story was indexed from secondary sources only. The character list above is not necessarily comprehensive. Webpage for Challengers of the Unknown #7 (Apr.-May 1959) created 9 March 2018. Last modified 9 March 2018.

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