Dr. Harleen Quinzel has discovered a revolutionary cure for the madness of Gotham City-she just needs to prove it actually works. But with the criminal justice and mental health establishments united against her, the brilliant young psychologist must take drastic measures to save Gotham from itself. Witness Harleen’s first steps on a doomed quest that will give birth to the legendary super-villain Harley Quinn in this stunning reimagining of Harley and The Joker’s twisted and tragic love affair by visionary storyteller Stjepan Šejic (AQUAMAN: UNDERWORLD, SUICIDE SQUAD, Sunstone).

Despite the strongest objections from every possible authority-including district attorney Harvey Dent-Dr. Harleen Quinzel’s found herself with free access to every inmate in Arkham Asylum, where she desperately pursues a revolutionary and highly controversial cure to the insanity of Gotham. But her work with the city’s super-criminals quickly muddies the waters of good and evil, and in the deepest, darkest padded rooms of Arkham, even the words of a mad clown start making sense!

In which our doomed doctor makes a choice she can never take back-one that seals her dark fate and gives rise to one of the most legendary villains of all time!

Aquaman's mythology is completely reimagined in this critically acclaimed epic combining science fiction and fantasy in Aquaman: Underworld, now collected into a new deluxe hardcover edition! A whole new era of AQUAMAN begins as master storyteller Stjepan Sejic (Sunstone, Death Vigil) joins series writer Dan Abnett for Arthur Curry's boldest and most harrowing adventure yet! Enraged by rumors of Arthur's survival in the slums of Atlantis, the ruthless King Rath orders the use of ancient Atlantean techno-magic to track down the Aquaman at all costs! But the ex-king Arthur can't hide for long when his fate collides with that of a mysterious young woman on the run from Rath's own secret police. Her name: Dolphin. Collects AQUAMAN #25-30.

In Gotham City, where heinous acts of violence are a daily occurrence, the GCPD relies on Harley Quinn, a young forensic psychiatrist and profiler, to consult on their toughest cases. But Harley is haunted by one unsolved case-the night she 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 and a new series of horrific murders occur throughout the city. As the murders escalate, Harley’s obsession with finding the depraved psychopath responsible leads her down a dangerous path. When the past and the present finally collide, Harley has to 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. In Gotham City, where heinous acts of violence are a daily occurrence, the GCPD relies on Harley Quinn, a young forensic psychiatrist and profiler, to consult on their toughest cases. But Harley is haunted by one unsolved case-the night she 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 and a new series of horrific murders occur throughout the city. As the murders escalate, Harley’s obsession with finding the depraved psychopath responsible leads her down a dangerous path. When the past and the present finally collide, Harley has to 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.

Harley Quinn and Poison Ivy are taking their show on the road in this new miniseries! They’ll have to evade villains and heroes alike while they explore their relationship and unpack their time and experiences at Sanctuary. Set after the events of HEROES IN CRISIS and smack in the middle of “Year of the Villain,” it’s a journey across the DC Universe that will change their friendship forever...if they live that long!

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.

Harley Quinn hosts “Villainy’s Biggest Night” as the DCU’s most dastardly gather at the Hall of Doom to do what they do best-congratulate themselves! But one villain has a secret plan, fueled by years of being overlooked by his peers, and the burning desire to receive the praise he so rightly deserves... Don’t miss out on a one-of-a-kind comic book experience, with the winners decided by you, the fans! Who will be crowned DC’s Villain of the Year? Go to dcvillainoftheyear.com for more information!

“Digital Justice!” Harley and Ivy have cooked up the theft of the century: breaking into Superman’s Fortress of Solitude and plundering it for all the alien goodies he’s got hidden away! But they aren’t prepared for just how weird things can get behind that giant gold lock…

The definitive story of Harley Quinn by her co-creator, Paul Dini, and Pat Cadigan, revealing the secrets of her history even as she seeks to kill Batman. When she was only seven years old, Harleen Quinzel witnessed her father being beaten up by thugs, and then arrested by the police. That night she ran away to the safest place she could think of: Coney Island amusement park. But there, pursued into the Funhouse by the men who brutalised her father, she beheld unimaginable horrors. Years later, Harleen has put her past behind her, and used her intelligence and ambition to escape her childhood of poverty with a career in psychiatry. Assigned to her first position at Arkham Hospital, she will discover, deep in the asylum, something dangerous and alluring, something quite unlike anything else she has ever known before: The Joker. Because why would you settle for love, when you could have MAD LOVE? From the moment that Harleen finds a rose on her desk, to the moment she dons her harlequin hat, this is the definitive story that chronicles the obsession, the burning desire, the manic laughter, and the birth of one of the most controversial and popular comic book supervillains ever created: Harley Quinn. Copyright © 2017 DC Comics. BATMAN, THE JOKER, HARLEY QUINN, SUICIDE SQUAD and all related characters and elements © & TM DC Comics and Warner Bros. Entertainment Inc.