Average # of copies sold previous year - 898,470.
Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (October 2007).
This story introduced the Scarecrow of Earth-1, his origin presented in this story is an adaptation of the story in World's Finest Comics #3, which featured the Earth-2 Scarecrow.
Credits for script and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Records show that Bob Kane was paid for the pencils, but scholars agree that pencils were actually by Moldoff.
Includes a letter from Mark Evanier.