On-sale date from Comic Reader #81 and copyright registration.
Some researchers believe that Tony Dezuñiga may have employed others to help with this cover but no definitive conclusion has been reached. Alfredo Alcala or Nestor Redondo inks suggested by Fred Snyder (http://errors.comics.org/show_bug.cgi?id=3903)
Reverse coloring of the page number on page #13 indicates that John Costanza lettered this issue.
Letters of comment from Rich Durham; Mark Lucke; and Daniel Y. Louie.