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

Issue Details

Issue	#37
Published	April-May 1964
Cover Price	0.12 USD
Pages	36
Editing	Murray Boltinoff

Cover Details - "Last Days of the Challengers!"

Characters	Challengers of the Unknown [Ace Morgan; Prof Haley; Red Ryan; Rocky Davis]; Professor Elber
Genre	Adventure
Pencils	Bob Brown
Inks	Bob Brown

1 page Bob Hope public service announcement "The Golden Rule"

Characters	Bob Hope
Synopsis	Bob Hope talks to some children about how The Golden Rule is found in all religions.
Genre	fact
Notes	Inside front cover in black and white. Published as a public service in cooperation with the National Social Welfare Assembly, coordinating organization for national health, welfare and recreation agencies of the U.S.

12 page Challengers of the Unknown story "Triple Terror of Mr. Dimension"

Characters	Challengers of the Unknown [Ace Morgan; Prof Haley; Red Ryan; Rocky Davis]; Professor Kurtz (alien); VILLAIN: Mr. Dimension
Synopsis	The Challengers versus Mr. Dimension.
Genre	Adventure
Script	Arnold Drake
Pencils	Bob Brown
Inks	Bob Brown

1 page Peter Puptent Explorer story "Peter Puptent Explorer [The Tomb]"

Characters	Peter Puptent; Stanley
Synopsis	Peter and Stanley explore a tomb.
Genre	Humor
Script	Henry Boltinoff
Pencils	Henry Boltinoff
Inks	Henry Boltinoff
Colors	?
Letters	Henry Boltinoff

1 page Challengers' Mail Chute letters page "Challengers' Mail Chute"

Letters	typeset
Notes	Letters from readers.

13 page Challengers of the Unknown story "The Last Days of the Challengers"

Characters	Challengers of the Unknown [Ace Morgan; Prof Haley; Red Ryan; Rocky Davis]; Professor Elber (deceased)
Synopsis	Professor Elber devises a scheme to kill the Challengers, but dies of a heart attack before he can put his plan in motion. Unfortunately for the Challengers, his robots are able to set the plan in motion.
Genre	Adventure
Script	France Ed Herron
Pencils	Bob Brown
Inks	Bob Brown