The holidays are tough enough as it is, but when you're living in a post-apocalyptic wasteland, the world can seem bleaker than ever. Your favorite DC superheroes are in for an unhappy holiday adventure they'll never forget! • BATMAN fights Ra's al Ghul on Christmas morning! • CATWOMAN enters the underbelly of the Gotham City wasteland! • SUPERMAN is haunted by memories of a dead planet! • SWAMP THING is trapped in a harrowing blizzard! • HARLEY QUINN fights with her wacky family for a not-so-silent night! • AQUAMAN is out of his element in a treacherous mountain snowstorm! • THE FLASH is tormented by visions of holidays past! All of these holiday nightmares—and more—are collected here! Brought to you by some of comics' top talents, including Tom King, Mark Russell, Paul Dini, Mairghread Scott, Sam Humphries, Jason Fabok, Yasmine Putri, Jerry Ordway and John Timms! DC HOLIDAY NIGHTMARES collects DC’S NUCLEAR WINTER SPECIAL #1, HARLEY QUINN #55 and a story from SWAMP THING WINTER SPECIAL #1.