Ashcan comic book designed to secure the copyright for the title. Also see Action Comics (1937 series). Interior known to contain partial contents of Detective Comics (1937) #10, Dec 1937.
in Action Comics (DC, 1938 series) #3 (August 1938) [with new logo and trade dress]
in Superman: The Action Comics Archives (DC, 1997 series) #1 (1997) [in this form]