Inside front cover.
Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Julius Schwartz's editorial records, provided by DC Comics, show Ross Andru as being paid for the pencils and inks for this story, however Mike Esposito worked with Ross and scholars agree he inked this story.
Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Letters from Harold Sterling, Anthony Ferrel, Albert Heering, Joseph Shipley, Arthur Martin, and William Hadley.
Julius Schwartz's editorial records, provided by DC Comics, show Ross Andru as being paid for the pencils and inks for this story, however Mike Esposito worked with Ross and scholars agree he inked this story.