Issue: #326
Last valuation update: 2025-09-24
A mysterious villain manipulates people to attack Batman!
First appearances: Madman Markham
Creators: Adrienne Roy, Jim Aparo, John Costanza, Len Wein, Paul Levitz, Frank McLaughlin, Irv Novick
Characters: Batman, Alfred Pennyworth, James Gordon, Lucius Fox, Professor Milo, Caroline Crown, Madman Markham