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

Issue Details

Issue	#42
Published	February-March 1965
Cover Price	0.12
Pages	36
Editing	Murray Boltinoff

Cover Details

Genre	adventure
Pencils	Bob Brown
Inks	Bob Brown

13 page Challengers of the Unknown story "The League of Challenger Haters"

Characters	vs Challenger Haters, 1st; includes Multi Man, Volcano Man,Kra and Drabny; also in 45 (where Multi Woman joins), 48, 55, 60, 61, 62.
Genre	adventure
Script	France Ed Herron
Pencils	Bob Brown
Inks	Bob Brown
Notes	Writer id by Martin O'Hearn

12 page Challengers of the Unknown story "Secret of the Masked Challenger"

Genre	adventure
Script	France Ed Herron
Pencils	Bob Brown
Inks	Bob Brown