CATALOG RECORD

Challengers of the Unknown #20

DC · Series began 1958 · June-July 1961

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Dates

Cover date: June-July 1961
On sale: April 13, 1961
Pages: 36

Editions and covers

Original edition
Source ↗

Creators

pencils: Bob Brown, Henry Boltinoff, Bernard Bailyinks: Bob Brown, Henry Boltinoff, Bernard Bailyletters: Ira Schnapp, Stan Starkman, Henry Boltinoffscript: Henry Boltinoff, Jack Schiff

Stories

Multi-Man Strikes Again · 12.67 pages
The Trap on Top of the World · 1 pages
The Cosmic-Powered Creature · 11.67 pages

Reprinted in

Showcase Presents Challengers of the Unknown (2006)