CHALLENGERS OF THE UNKNOWN #64
Volume 1 · 1958-1978
- Published
- November 1968
- Cover price
- $0.12 USD
- Edition
- —
- Era
- Silver
- UPC
- —
- Key issue
- No
Creators
- Writer
- Robert Kanigher 'Jed Corby'
- Penciler
- Jack Sparling
- Inker
- Jack Sparling
- Cover artist
- Joe Kubert
- Editor
- Murray Boltinoff
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