On the inside front cover. Includes a reproduction of the cover to My Greatest Adventure #1.
1) Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. 2) A diagram shows the secret "Trigger Twins" cellar with spare costumes and hidden stable under Wayne's store.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.