Pursuit to Mars (Part 4 of 7)

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Overview:

Title: Pursuit to Mars (Part 4 of 7)
Author: Garrett P. Serviss
Year: 1972
Type: Serials

Editions/Publications:

Unknown. Perry Rhodan #19: Mutants vs. Mutants (Unknown, Garrett P. Serviss, Ace Books, $0.95, 160 pages, Paperback, MAGAZINE)
Unknown. Perry Rhodan #19: Mutants vs. Mutants (Unknown, Garrett P. Serviss, Ace Books, $0.75, 164 pages, Paperback, MAGAZINE)