Issue Details

Issue	#69
Published	August-September 1969
Cover Price	0.15
Pages	36
Editing	Murray Boltinoff

Cover Details

Genre	adventure
Pencils	Joe Kubert
Inks	Joe Kubert

23 page Challengers of the Unknown story "The Secret of Skull Mountain"

Genre	adventure
Script	Denny O'Neil
Pencils	Jack Sparling
Inks	Jack Sparling
Notes	Prof is injured, intro of Corrina Stark who replaces him