| Issue | #7 |
| Published | February 2010 |
| Frequency | Monthly |
| Cover Price | 2.99 USD |
| Pages | 36 |
| Editing | Mike Marts; Janelle Siegel (assistant) |
| Notes | U.S. on sale date: 2009-12-23. Copyright © 2010 DC Comics. |
| Characters | Catwoman [Selina Kyle] |
| Genre | Superhero |
| Pencils | Guillem March |
| Inks | Guillem March |
| Colors | Guillem March |
| Characters | Catwoman [Selina Kyle]; Harley Quinn [Harleen Quinzel]; Poison Ivy [Pamela Isley]; The Carpenter [Jenna Duffy]; Dick Grayson [Batman]; Robin [Damian Wayne]; Alfred Pennyworth; Mr. Quinzel (Harley's father); Sharon Quinzel (Harley's mother); Barry Quinzel (Harley's brother); Nicky; Jenny; Lamar Shultz |
| Synopsis | A look at how the Gotham City Sirens spend their holidays, with Catwoman catching crooks, Ivy on vacation in Central America and Harley going home to see her family. |
| Genre | Superhero |
| Script | Paul Dini |
| Pencils | David Lopez |
| Inks | Alvaro Lopez |
| Colors | Tomeu Morey |
| Letters | Steve Wands |
| Characters | Nekron |
| Pencils | Rodolfo Migliari (signed) |
| Inks | Rodolfo Migliari (signed) |
| Colors | Rodolfo Migliari (signed) |
| Notes | Preview of variant cover to Blackest Night (DC, 2009 series) #6. |