Julius Schwartz's editorial records indicated that this cover was pencilled by Mike Kaluta, but Kaluta confirmed that Cardy both pencilled and inked.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Letters of comment from Mike W. Barr, James T. McCoy, Christopher Juricich and Milton O'Hearn.