Head over heels in her devotion to the Joker, Arkham psychiatrist Harleen Quinzel gave up her career (and her sanity) to transform herself into the ultimate companion for crime's clown prince - the mad moll Harley Quinn. Of course, Harley's romance with the Joker hasn't been easy. The two are at each other throats as often as in each other's arms, and that buzzkill Batman is always sticking his nose in just when things are starting to get fun. But what great love story is without the occasional incarceration and life-threatening peril? The Joker's main squeeze takes center stage in these stories from top creators Paul Dini, Yvel Guichet, Don Dramer, Joe Quinones, Neil Googe and more! Collects stories from: BATMAN: HARLEY QUINN #1, BATMAN: GOTHAM KNIGHTS #14, #30, DETECTIVE COMICS #831, #837, JOKER'S ASYLUM II: HARLEY QUINN #1, BATMAN: BLACK AND WHITE #1, #3, LEGENDS OF THE DARK KNIGHT 100-PAGE SUPER SPECTACULAR #1 and DETECTIVE COMICS #23.2.

Jim Corrigan tackles what appears to be a run-of-the-mill murder investigation, but when he discovers the supernatural is at play, it becomes a job for the Spectre.

The first time they fought, they killed each other. Now the rematch of the century is at hand as the Man of Steel goes on the hunt for his deadliest adversary in SUPERMAN/DOOMSDAY: HUNTER/PREY! One year after the evil Cyborg Superman hurled Doomsday's body into space, the real Superman is haunted by memories of his death in battle. Consumed by the knowledge that Doomsday is still out there, and obsessed with penetrating the mystery of Doomsday's origin, Superman sets out to find the monster and put an end to him - once and for all.

A ruthless new gang of criminals known only as Nightwalkers is terrorizing Gotham, and the city's elite are being taken out one by one. On the way home from his 18th birthday party, newly minted billionaire Bruce Wayne makes an impulsive choice that puts him in their crosshairs and lands him in Arkham Asylum, the once-infamous mental hospital. There, he meets Madeleine Wallace, a brilliant killer…and Bruce's only hope. Madeleine is the mystery Bruce must unravel, but is he convincing her to divulge her secrets, or is he feeding her the information she needs to bring Gotham City to its knees? Adapted by Stuart Moore and illustrated by Chris Wildgoose, this graphic novel presents a thrilling new take on Batman before he donned the cape and cowl.

In 1988, the pop culture world was rocked when comics readers were given theopportunity to decide the outcome of one of the medium's most controversialquandaries: Should the Boy Wonder die? While history has taught us one answer tothat question, a second answer is now told—What if Robin lived?Jason Todd, the second teenager to wear the mask of Robin, survived a brutalbeating at the hands of maniacal Joker, but his wounds run deeper than flesh.The already volatile Jason is haunted by what happened to him and is unwilling toconfront his demons, so Bruce Wayne brings in a psychiatrist to talk to him. CanJason recover from his ordeal? Is the Batman ultimately to blame? And then there isthe question on everyone's mind: who killed the Joker?Writer J.M. DeMatteis (Justice League International) and artist Rick Leonardi(Nightwing) spin the story of what would have happened if the fans had chosendifferently. From the DC Vault: Death in the Family: Robin Lives! collects the entirefour-issue miniseries along with Batman #426, #427, and #429 and the faux-simileissue Batman #428: Robin Lives! that lead up to this momentous elseworld.

Welcome to Gotham City's Precinct Thirteen! It's the home of the GCPD Detailed Case Task Force—but most people just call them the Midnight Shift. They're the cops you call when things get strange. And in Gotham, the calls never stop coming. There's Lieutenant Weaver, the commanding officer of this motley crew; Dr. Szandor Tarr, forensics expert and resident mad doctor; sister Justine, religious consultant and pure soul; Detective Lisa Drake, a good cop with a big bad secret inside; and Detective Jim Corrigan, who drinks to contain the spectre in his soul. Other cops don't trust them. Internal Affairs wants to shut them down. But when an ancient evil rises from the swamps and sins of Gotham City's history, they're the ones you want on the front line… Acclaimed creators Ray Fawkes (BATMAN ETERNAL) and Ben Templesmith (30 Days of Night) present an unforgettable new take on the supernatural side of Batman's city in GOTHAM BY MIDNIGHT: WE DO NOT SLEEP. Collects GOTHAM BY MIDNIGHT #1-6.

"From critically acclaimed author Warren Ellis (THE AUTHORITY, TRANSMETROPOLITAN) and artist John Cassaday comes the ultimate collection of PLANETARY in PLANETARY BOOK ONE. This book Collecting collects the adventures of Elijah Snow, a powerful, hundred- year-old- man, Jakita Wagner, an extremely powerful but bored woman, and The the Drummer, a man with the ability to communicate with machines. Infatuated with tracking down evidence of superhuman activity, these mystery archaeologists of the late twentieth century uncover unknown paranormal secrets and histories, such as a World War II supercomputer that can access other universes, a ghostly spirit of vengeance and a lost island of dying monsters. This new cut of the classic series includes extras from the Absolute Edition, including sketches and variant covers. Collecting PLANETARY #1-14, PLANETARY SNEAK PEAK, PLANETARY/AUTHORITY TO RULE THE WORLD."

When the world is tossed into chaos, it's up to a group of meddling kids—Fred, Daphne, Velma, Shaggy and their dog, Scooby-Doo—to solve the mystery and survive hordes of zombies! But can they save the day and cure everyone, or will they become brain-eating monsters? The creatures of the night are among us, and the crew of the Mystery Machine has to fight to survive—because in the apocalyptic badlands of the near future, the horrors are real! Hanna-Barbera has created some of the most recognizable animated characters of all time. As part of DC Comics' reimagining of cartoons like Scooby-Doo, The Flintstones, Jonny Quest, Space Ghost and Wacky Racers, these new series will be infused with modern and contemporary concepts while keeping the heart and soul of the classic animation. Collects SCOOBY APOCALYPSE #1-6.

The #1 New York Times bestselling author Marieke Nijkamp and artist Manuel Preitano unveil a graphic novel that explores the dark corridors of Barbara Gordon's first mystery: herself. After a gunshot leaves her paralyzed below the waist, Barbara Gordon must undergo physical and mental rehabilitation at Arkham Center for Independence. She must adapt to a new normal, but she cannot shake the feeling that something is dangerously amiss. Strange sounds escape at night while patients start to go missing. Is this suspicion simply a result of her trauma? Or does Barbara actually hear voices coming from the center's labyrinthine hallways? It's up to Barbara to put the pieces together to solve the mysteries behind the walls. In The Oracle Code, universal truths cannot be escaped, and Barbara Gordon must battle the phantoms of her past before they consume her future.