This issue has variants.
Cover art is an homage to the Little Nemo comic strip by Windsor McKay. Color credits confirmed by Anthony Tollin.
Story continues in Detective Comics #544.
Letters of comment from Larry "Beanworld" Marder, Kevin Leeman, Graham Lawrence, Cat maple, Eric James Baich, Donovan R. Ice, Jeff Warren, Kevin T. Brown, Jim Tesch, Steve Billnitzer, Andrew Gold and David Stone.