Detective Comics #493
| Writer | Cary Burkett, J.M. DeMatteis, Jack Harris, Len Wein |
| Artist | Jose Delbo, Dick Giordano, Don Newton, Charles Nicholas |
"BATMAN: RIDDLES IN THE DARK." Batman comes across the Riddler's latest scheme when the master of puzzles escapes from prison and gives Batman a truly complex riddle. Stumped, Batman's frustration overcomes him until Alfred provides the answer to the unsolved riddle.