DC · December, 1968
Reprints from Batman: Detective Comics #327; Adam Strange: Mystery in Space #57; All Infantino issue; Brave and the Bold #45; Detective Chimp: Rex the Wonder Dog #57; Flash II (Barry Allen): The Flash (1st Series)#148; Flash, Batman, Adam Strange
The Mystery of the Menacing Mask!; The Doorway to the Unknown!; Meet… Carmine Infantino (text); The Scientific Crook-Catcher!; Mystery of the Giant Footsteps; Challenge of the Headless Baseball Team!
Writers: John Broome, Gardner Fox
Artist: Carmine Infantino