- Script
- Kami Garcia (credited)
- Pencils
- Mico Suayan (credited); Mike Mayhew (credited)
- Inks
- Mico Suayan (credited); Mike Mayhew (credited)
- Colors
- Mike Mayhew (credited)
- Letters
- Richard Starkings of Comicraft (credited as Richard Starkings of Comicraft)
- First Line of Dialogue or Text
- Tigers have no natural predators in the wild.
- Genre
- superhero
- Characters
- Harley Quinn [Harleen Quinzel]; James Gordon; Sarah Essen; Detective Maddox; Edie (flashback, deceased); Detective Murphy; Gina Baker; Mick Kelly (flashback); John Kelly (flashback); Gina Kelly (flashback, death); Batman [Bruce Wayne] (flashback); Ed Gein (killer, image); Richard Chase (serial killer, image); Ted Bundy (serial killer, image); John Wayne Gacy (serial killer, image)
- Synopsis
- Criminal psychologist Dr. Harley Quinn works alongside Jim Gordon and the Gotham City Police Department to profile murderers, but she is haunted by the murder of her girlfriend five years earlier by the Joker, who has not been seen since.
- Reprints
Consultant: Edward Kurz, MD
Story takes place outside of the normal DC Universe continuity.
- Pencils
- Mico Suayan (credited)
- Inks
- Mico Suayan (credited)
- Letters
- typeset
- Genre
- superhero
- Characters
- The Joker
Cover art for Joker Variant Cover by Mico Suayan.
- Pencils
- Mike Mayhew (credited)
- Inks
- Mike Mayhew (credited)
- Colors
- Mike Mayhew (credited)
- Letters
- typeset
- Genre
- superhero
- Characters
- Harley Quinn [Harleen Quinzel]; James Gordon
Cover art for Harley Variant Cover by Mike Mayhew.
- Letters
- ?
Page with the DC Black Label logo.
- Pencils
- Mico Suayan (credited)
- Inks
- Mico Suayan (credited)
- Colors
- ?
- Letters
- typeset
- Genre
- superhero
- Characters
- Harley Quinn [Harleen Quinzel]; James Gordon; Sarah Essen
Back cover illustration taken from the story.