Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue	#11
Published	December-January 1960
Cover Price	0.10
Pages	36
Editing	Jack Schiff

Cover Details

Genre	adventure
Pencils	Bob Brown
Inks	Jack Adler (wash)
Colors	Jack Adler (wash)

26 page Challengers of the Unknown story "Creatures from the Forbidden World"

Genre	adventure
Script	France Ed Herron?
Pencils	Bob Brown
Inks	Bob Brown
Notes	writer id by Bob Hughes