Leading Comics #9
(Winter 1943-1944)
Chapter 1:
"The Chameleon Of Crime!"
Chapter 2:
"Mr. X Marks The Spot!"
Chapter 3:
"The X-ploits Of Mr. X!"
Chapter 4:
"The House That Couldn't Be Robbed"
Chapter 5:
"Interlude At Hoodlums' Hideout"
Chapter 6:
"The Gorilla And The Gangster!"
Chapter 7:
"Inco The Unknown!"
Chapter 8:
"Conclusion"
Writer: Joe Samachson
Penciller: Aruto Cazeneuve
Inker: Aruto Cazeneuve