Issue: #312
Last valuation update: 2025-09-24
The Calendar Man returns, intent on committing a crime a day for a full week, unless Batman can figure out the villain’s newest theme and put a stop to his seven days of crime.
Creators: Dick Giordano, Glynis Oliver Wein, Walter Simonson, Len Wein, Ben Oda, Paul Levitz
Characters: Batman, Alfred Pennyworth, James Gordon, Two-Face, Lucius Fox, Dr. Douglas Dundee, Calendar Man