Detective Comics #643

Detective Comics — DC Comics

Issue: #643

Last valuation update: 2022-08-05

Batman tracks a serial killer whom he's convinced is a librarian murdering his victims based on categories within the Dewey Decimal System.

Creators: Adrienne Roy, Dennis O'Neil, Jim Aparo, Scott Peterson, Denys Cowan, Peter Milligan

Characters: Batman, Alfred Pennyworth