Detective Comics (1937-2011) #837

A special issue featuring two of Gotham's recently reformed rogues: Harley Quinn and the Riddler! When a rogue Wayne Enterprise employee steals metahuman serum, it's up to Harley and the Riddler to crack the case!
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Written by
Paul Dini


Crime Drama Movies & TV Mystery Superhero

About Book

Page Count

24 Pages

Print Release Date

October 3 2007

Digital Release Date

January 25 2012

Age Rating

12+ Only


2007 DC Comics.