Issue 1
Gotham City Sirens (2009-) #1
Hang out with the bad girls of Gotham City! Catwoman, Poison Ivy and Harley Quinn are tired of playing by other people's rules—regardless of which side of the law they're on. These tough ladies have a new agenda all their own, and they'll use any means necessary to pursue it. But can they get along and work as a team? And who will get hurt along the way?
Issue 2
Gotham City Sirens (2009-) #2
Tommy Elliot, a.k.a. the villainous mastermind known as Hush, has escaped the confines of Batman's headquarters and is wreaking havoc throughout Gotham City under the guise of Bruce Wayne. Will the loose assemblage of Catwoman, Poison Ivy and Harley Quinn be enough to stop the madman's rampage? Or are Gotham's femmes fatales doomed to fail before they even begin?
Issue 3
Gotham City Sirens (2009-) #3
With their uneasy alliance in place, the sirens encounter trouble in the form of the mysteriously returned Bruce Wayne. He's dazzling, he's dangerous and he's got his sights set on Harley Quinn! Has romance sparked between these two longtime enemies—or is Wayne playing a more sinister game?
Issue 4
Gotham City Sirens (2009-) #4
Bruce Wayne has always been considered the quintessential ladies' man. But he's never faced ladies quite like this before! Has Gotham City's playboy prince finally met his match?
Issue 5
Gotham City Sirens (2009-) #5
Harley Quinn takes center stage this issue as the girls deal with the after-effects of Hush's deadly manipulations over the last few months. Plus, don't miss a surprise guest-star!
Issue 6
Gotham City Sirens (2009-) #6
Now that Mr. J's secret is out in the open, will the girls' reaction take them to the point of no return? And will Harley Quinn ever be the same?
Issue 7
Gotham City Sirens (2009-) #7
Catwoman takes charge as the other Sirens fall victim to their most dangerous challenge yet!
Issue 8
Gotham City Sirens (2009-) #8
Poison Ivy lies trapped and dying at the bottom of a pit! How did she get there and who is the mysterious person targeting her and the other Sirens? Catwoman and Harley must work together to solve the mystery before their trio gets cut down to a duo!
Issue 9
Gotham City Sirens (2009-) #9
The Gotham Girls find themselves in some serious trouble when a body comes crashing through their roof. In order to solve the puzzle, they hire an old friend and renowned detective: Edward Nigma, aka The Riddler!
Issue 10
Gotham City Sirens (2009-) #10
The Riddler has tracked the body back to the man responsible, but now finds himself ensnared in a trap. It's up to the Sirens to come to his rescue, but can they solve the riddle in time?
Issue 11
Gotham City Sirens (2009-) #11
Poison Ivy starts her new job at S.T.A.R. Labs, but her arrival may not sit well with some of the current staff. Meanwhile, Catwoman and Harley Quinn investigate the disappearance of multiple neighborhood pets—an investigation with an answer they may not like!
Issue 12
Gotham City Sirens (2009-) #12
Tony Bedard takes over writing duties with 'Sister Zero' Part 1. Selina and Harley desperately search for Catwoman's missing sister, who slips further and further down the path of insanity!
Issue 13
Gotham City Sirens (2009-) #13
Selina's sister has given in to a dark and manipulative power—all to save Catwoman from the demon she believes possesses her! Can Selina stop Maggie before she completely surrenders to her insanity? The conclusion of the two-part 'Sister Zero'!
Issue 14
Gotham City Sirens (2009-) #14
Strange Fruit' Part 1! The mysterious Alstairean takes control of Poison Ivy and the two of them plan to take over the world...starting with Gotham City. It is up to Harley Quinn and Catwoman to save the city—and their friend!
Issue 15
Gotham City Sirens (2009-) #15
The plants of Robinson Park grow out of control under Poison Ivy's influence. But Catwoman and Harley Quinn arrive to trim the hedges—assuming, of course, that Poison Ivy allows them to get that far! The conclusion to 'Strange Fruit!'
Issue 16
Gotham City Sirens (2009-) #16
A RETURN OF BRUCE WAYNE tie-in issue! A fire in Robinson Park sends the Sirens into direct conflict with Zatanna. But when Catwoman is kidnapped, Zatanna teams with Talia al Ghul to protect Batman's greatest secret!
Issue 17
Gotham City Sirens (2009-) #17
A RETURN OF BRUCE WAYNE tie-in! Catwoman's been kidnapped, and now Poison Ivy and Harley Quinn must team up with Talia al Ghul and Zatanna to free her before she gives up her most valuable secret: Batman's true identity!
Issue 18
Gotham City Sirens (2009-) #18
Talia battles Poison Ivy and Harley as Zatanna struggles with her decision to mind-wipe Selina in order to protect Batman's real identity. But who is truly casting the illusion in this plot? Find out in the finale of the RETURN OF BRUCE WAYNE tie-in!
Issue 19
Gotham City Sirens (2009-) #19
After the events of the last arc, Zatanna approaches Catwoman with an offer she never even dreamed of. The proposal sends Selina on a spiritual journey to learn what it means to love and live and how significantly memory plays into both!
Issue 20
Gotham City Sirens (2009-) #20
Hell Hath No Fury' part 1! Harley Quinn heads to Arkham Asylum, but this time she's breaking in to find Joker and pay him back for all the abuse he's dished out over the years. Can the Sirens rein her in before it's too late, or will Harley have the last laugh?
Issue 21
Gotham City Sirens (2009-) #21
Harley Quinn back in Arkham Asylum? Can she resist The Joker's manipulations? Can Catwoman and Poison Ivy save their free-spirited friend from herself? Will she make a mistake that ends the Sirens forever? Questions, questions, questions.
Issue 22
Gotham City Sirens (2009-) #22
Judgment on Gotham' part 2, continued from RED ROBIN #22. The Angels of Death have sworn judgment on Gotham City—but Gotham's heroes are fighting back. Catwoman finds herself in the middle of a fight for the very existence of the city itself! Continued in BATMAN #709.
Issue 23
Gotham City Sirens (2009-) #23
Continuing from issue #21's shocking conclusion, the inmates of Arkham Asylum have taken over! With Harley Quinn in danger, can Catwoman and Poison Ivy put aside their tumultuous history and work together to save their friend?
Issue 24
Gotham City Sirens (2009-) #24
The breakout at Arkham continues! When Batman shows up to stop the escaping villains and allies with Catwoman, battle lines are drawn between the Sirens. Will Selina stick by the Sirens? Or will she take on Harley and Ivy? And what side will Harley take when faced with a choice between her love the Joker and her best friend Ivy?
Issue 25
Gotham City Sirens (2009-) #25
Old wounds, never fully healed, will reopen, leading to an epic showdown building since the very first issue of the series! Poison Ivy and Harley Quinn are back behind bars—but they won't stay there for long as Poison Ivy is out for blood. But the question is...whose?
Issue 26
Gotham City Sirens (2009-) #26
The Gotham City Sirens confront each other about their alliance and friendships as a dark secret is revealed—one that traces all the way back to the very first issue of the series! Catwoman! Harley Quinn! Poison Ivy! It all comes to a head in this series finale!