Her name is Dr. Harleen Quinzel—better known to her friends and enemies as Harley Quinn. Her very-very-ex-boyfriend the Joker may be the Clown Prince of Crime, but Harley’s the Queen of Coney Island! So when the zombie apocalypse threatens her li’l seaside stretch of paradise, who else would ya call to give the undead a blow to the head?

In Gotham City, heinous acts of violence occur daily. Harley Quinn, forensic psychiatrist and profiler, consults with the Gotham City Police Department on its worst cases. But one unsolved murder still haunts her-the night Harley discovered her roommate’s body marked with the signature of a notorious serial killer known as The Joker. Five years later, the case remains unsolved, as a new series of horrific killings begins. When the murders escalate and the meticulously constructed crime scenes become more elaborate, Harley’s obsession with finding the depraved psychopath responsible leads her down a dangerous path. The past and the present finally collide, and Harley must decide how far she is willing to go-and how many lines she is willing to cross-to solve these cases once and for all. Written by #1 New York Times and international bestselling author Kami Garcia (Beautiful Creatures, Unbreakable, The X-Files Origins: Agent of Chaos) and drawn by Mico Suayan (Bloodshot Reborn), Jason Badower (Wonder Woman ’77), and Mike Mayhew (The Star Wars), Joker/Harley: Criminal Sanity introduces readers to a Joker and Harley Quinn unlike any they’ve seen before, utilizing forensic psychiatry, behavior analysis, and psychological profiles to create a true-to-life take on these iconic characters that is more terrifying than any psychotic fantasy. Collects Joker/Harley: Criminal Sanity #1-8 and the one-shot Joker/Harley: Criminal Sanity-Secret Files.

When last we checked in with Harley Quinn, she ate, she banged, and she killed…but now it's time for something a little different. Fresh out of the events of Harley Quinn: The Animated Series season three, Harley has found herself a part of a highly unlikely team-the Bat-Family! Meanwhile, Poison Ivy has found herself prepping for her new job-leader of the Legion of Doom! But while Harley and Ivy adjust to their respective new roles, a ghost from Ivy’s past enters the fray and threatens the relationship between everyone's favorite clown and plant couple!

Dr. Harleen Frances Quinzel, M.D., welcomes you to Evil Anonymous, the support group for super villains in need; where no problem is too insane or homicidal, and where discretion is assured as only a clown princess of crime can-which is to say, not at all. But when Harley Quinn starts using her patients' own evil schemes against them, it turns out that a much bigger, far more dangerous, and truly life-altering joke is being played on her.

Black Canary's life has spiraled out of control: her personal life is going through the ringer and her band is in crisis when an old flame resurfaces only to flicker out and set her on an all-new mission against an all-new opponent. The only thing she has to be grateful for is the fact that she's not alone, as Huntress finds herself on a collision course with Black Canary's quarry at Detective Montoya's urging. Meanwhile, Harley Quinn has resurfaced outside of Gotham City and out of the Suicide Squad, with a new lease on life that is sure to make everyone else's life more complicated. And that's only the first five pages of this high-octane, graphic novel-length one-shot that pushes the Birds of Prey far beyond their limits and puts them up against the most brutal crime syndicate to ever sweep into Gotham City! Hardboiled superstar writer Brian Azzarello and the bombshell art team of Emanuela Lupacchino and Ray McCarthy take the Birds into the no-holds-barred world of Black Label, and none of them will ever be the same!

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

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.

It's hard out there for a freelancer! Looking to make some quick cash, Harley takes on odd jobs in her many wheelhouses—therapizing bad guys, tracking down stolen art from the Gotham Art Museum...but when it turns out the thief has his own mental baggage to unpack, Harley's got a real Thinkeron her hands!

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!