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.

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.

Harley and Ivy are on the road trip of the century! Following the wedding disaster of the decade, Harley Quinn and Poison Ivy end up on the run from Commissioner Gordon and the GCPD! But as fun as that all sounds, Ivy still worries about her actions after Kite Man left her at the altar…luckily, Harley’s got the perfect scheme to shake her out of her wedding day blues. A HarlIvy Moon! But when they come face-to-face with one obstacle after another-old lovers? trust issues? childhood trauma?-not to mention a bevy of villains with their own bones to pick, will this Thelma and Louise-style journey end in victory, or tragedy? This packs in the entire run of the GLAAD Media Award-nominated series. Collects Harley Quinn: The Animated Series: The Eat. Bang! Kill. Tour #1-6.20

"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.

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?

When Harley discovers that Ivy is being held captive in Arkham Asylum, she decides to help her out-by breaking in!

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!

With just five dollars and a knapsack to her name, 15-year-old Harleen Quinzel is sent to live in Gotham City. She's not worried, though-she's battled a lot of hard situations as a kid, and knows her determination and outspokenness will carry her through life in the most dangerous city in the world. And when Gotham's finest drag queen, Mama, takes her in, it seems like Harley has finally found a place to grow into her most "true true" with new best friend Ivy at Gotham High. But when Mama's drag cabaret becomes the next victim in the wave of gentrification that's taking over the neighborhood, Harley's fortune takes another turn. Now Harleen is mad. In turning her anger into action, she is faced with two choices: join activist Ivy, who's campaigning to make the neighborhood a better place to live, or team up with her anarchist friend Joker, who plans to take down Gotham one corporation at a time. From Eisner Award and Caldecott Honor-winning author Mariko Tamaki (This One Summer) and Eisner Award-nominated artist Steve Pugh comes a coming-of-age story about choices, consequences, and how a weird kid from Gotham goes about defining her world for herself.

POISON IVY BLOSSOMS INTO HER FIRST SOLO ADVENTURE! There's animal. There's vegetable. And there's somewhere in between. That's where Dr. Pamela Isley, a.k.a. Poison Ivy, finds herself. Instead of battling the Dark Knight, she is now a researcher at the Gotham Botanical Gardens, studying the possibility of creating plant-human hybrids. But when her fellow scientists start turning up dead, she's both the natural leading suspect…and the only person (or plant) who can crack the case. To solve the mystery, Poison Ivy must team up-or throw down-with her oldest friends and closest frenemies, from Harley Quinn to Catwoman to the Swamp Thing. Can she keep things under control, or will she be responsible for a deadly new harvest? Find out in POISON IVY: CYCLE OF LIFE AND DEATH. Sprouting from the brains of the up-and-coming creative team of writer Amy Chu and artist Clay Mann, it's a mean, green murder mystery starring one of Batman's greatest rogues! Collects POISON IVY: CYCLE OF LIFE AND DEATH #1-6.

New York Times bestselling author of The DUFF Kody Keplinger and artist Sara Kipin reimagine an iconic DC antihero with a gothic-horror twist. Pamela Isley doesn't trust other people, especially men. They always want something from her that she's not willing to give. When cute goth girl Alice Oh comes into Pamela's life after an accident at the local park, she makes Pamela feel like pulling back the curtains and letting the sunshine in. But there are dark secrets deep within the Isley home. Secrets Pamela's father has warned must remain hidden. Secrets that could turn deadly and destroy the one person who ever cared about Pamela, or as her mom preferred to call her...Ivy. Will Pamela open herself up to the possibilities of love, or will she forever be transformed by the thorny vines of revenge?