Detective Comics #840

Dates

Cover date

March 2008

Pages

36

Editions and covers (2)

Copies of #840 are not all the same book. Here is how to tell each one apart.

• Direct Sales

  Barcode 76194120019484011

  This edition’s page
• Newsstand edition

  Newsstand

  A UPC barcode in the cover's corner box.

  Barcode 07098930465940

  Source ↗

Reprinted in

Batman: Private Casebook (2008), Batman: Private Casebook (2009)