Detective Comics #822

Description

When a young socialite is murdered, her grief-stricken uncle turns to the newly reformed Riddler to find her killer. No longer the villain of old, the Riddler has turned his brilliant brain to crime-solving, and to the surprise of both the police and Batman, he's actually good at it. Has Gotham's most pernicious puzzler turned over a new leaf, or is it all a cover for a darker scheme?

Prepare for twists, turns and betrayals every step of the way as Batman and the Riddler forge an uneasy alliance to track down the mysterious murderer!