Letters credit from Todd Klein via http://kleinletters.com/.
Story continues in Batman (DC, 1940 series) #468.
Letters of comment from Jan C. Childress, Joe Zigmund, Malcolm Bourne, Jeremy Young, Todd D. Atteberry, The Dark Side of the Moon, Jeff Doar, Russell Jacobs, Janine Coles, Peter T. Chattaway and Chris Schillig. Includes "From the Den" column.