Pamela Isley has been a lot of things in her life: a living god, a super-villain, an activist, a scientist, and dead. In a new body that she didn’t ask for and with a renewed sense of purpose, Ivy leaves Gotham and sets out to complete her greatest work: a gift to the world that will heal the damage dealt to it…by ending humanity. But plans have a tendency of changing, and Ivy realizes life isn’t just black-and-white and all humans aren’t evil-except for the ones destroying the Earth with corporate greed. And Ivy will make. Them. Pay.

From Emmy and Eisner Award-winning Paul Dini (DETECTIVE COMICS, Batman: The Animated Series) comes GOTHAM CITY SIRENS BOOK ONE! Catwoman, Poison Ivy, and Harley Quinn-they’re beautiful, they’re deadly, and for the first time in their lives, all three are trying to fly on the straight and narrow. 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 that's all their own, and they'll use any means necessary to pursue it. Only, sometimes, friends can be more trouble than they're worth. Particularly when they're unaccustomed to things like loyalty…or sanity. With the Bat away, these sirens will play, and no one- not Hush, the Riddler, or even the Joker-knows what to expect from the bad girls of Gotham City. But life off the lam is no bed of roses. Especially when maniacs are killing innocents and making it look like the Sirens are the culprits, when Ivy’s new civilian identity proves murderously difficult to maintain, and when Catwoman’s sister comes to town to ride of the demon she believes possesses her… and rid her of her life in the process! Featuring the gorgeous artwork of Guillem March (BATMAN), Andres Guinaldo (NIGHTWING), and more, Batman’s hottest rogues tread a new path by the along with writers Paul Dini, Tony Bedard (SUPERGIRL), Scott Lodbell (TEEN TITANS), and Marc Andreyko (BATWOMAN) in GOTHAM CITY SIRENS BOOK ONE. Collects issues #1-13.

During the catastrophic events of Heroes in Crisis, Poison Ivy was killed, and Harley Quinn holds herself responsible. But when Poison Ivy is resurrected, Harley decides to take care of her best friend, who has evolved into a creature as much flora as fauna. What, then, is Harley to do when Poison Ivy reveals she's had enough of the humans who not only killed her, but are destroying the environment day by day? Can Poison Ivy entice Harley to join her in the plant world, or will Harley have to prove herself by stopping whatever plot Ivy is cooking up? Collects Harley Quinn & Poison Ivy #1-6.

When a violent and highly illegal energy drink-sponsored hunting operation threatens the lives of wildlife and the residents of Gotham City alike, the only ones fit to save the day are the criminal trio of Catwoman, Poison Ivy, and Harley Quinn. Back together again for the first time in years. Sometimes the only way to fight bad is with even worse! With special appearances by White Rabbit, Punchline, and introducing the himbo cowboy henchmen sensation soon to be sweeping the nation known as the the Nasty Boys!Get your chaps, spurs, and hats out cause it's hunting season!Brought to you by the talents of Leah Williams (Power Girl, X-Factor), Matteo Lolli (Deadpool, Harley Quinn), Daniel Hillyard (The Ride, Plush), and more, Gotham City Sirens: Trigger Happy collects the entire mini-series in one guts, goo, and grit-filled collection!

"POISON IVY." When a Gotham businessman destroys Ivy's island paradise, she sets out to destroy everything he loves, no matter whom she has to kill to do it.

Unable to resist a golden opportunity to fund her beloved lion preserve, Catwoman heists a vial of a mysterious formula for a shady company-only to discover she's actually working for Harley and Ivy! Detective Renee Montoya, investigating the theft of the formula, follows the deadly trail of Poison Ivy and Harley Quinn, while Ivy tries to convince Catwoman and Batgirl that they should cooperate with her. Then, Harley Quinn gets control of the chemical formula everyone wants, which means that nothing goes as planned-not even for her best pal, Poison Ivy! Collects Gotham Girls #1-5.

In a new direction for the series, Harley attempts to juggle being a full-time psychiatrist with her own criminal activities. But the unbalanced people she has to treat are keeping her very busy-and she's wanted for the murder of a police officer. Then, Harley gains powers beyond those of normal humans thanks to Poison Ivy's experiments. But every gift has its price, and now Harley faces the consequences. Plus, Harley signs on for a mercenary gig to hunt down a guy on the lam and retrieve an unnamed object of limitless value for him. Collects HARLEY QUINN #26-38.

When Poison Ivy is captured by mobsters, Harley Quinn must act quickly to save her, so she turns to the only hero she can find: Batgirl!

There is something wrong with the trees. A presence screaming out in pain—tearing, gnashing, and gnawing through the very fabric of the Green—calling out for blood. In its wake, a trail of viscera and carnage is left—leading to a mystery that the Parliament of Trees has conscripted Poison Ivy and Swamp Thing to solve. Can the Verdant Villainess and the Avatar of the Green make their way into the heart of this homicidal wilderness and discover the source of this horror, or will they find themselves the next victims of these feral trees? This story, brought to violent life by G. Willow Wilson and Mike Perkins, will answer these questions. But beware, this terrifying tale is not for the weak of heart.