Here comes the Dark Multiverse, now in paperback! For years, Batman has been tracking a mystery. He's quietly been pulling a thread, conducting research in secret laboratories across the globe and stowing evidence deep in the Batcave, hidden even from his closest allies. Now, in an epic story spanning generations, the heroes and villains of the DC Universe--including Green Lantern, The Joker, Wonder Woman and more--will all find out what secrets he's discovered. Secrets that could threaten the very existence of the Multiverse!The unforgettable team of Scott Snyder, James Tynion IV, Jim Lee, John Romita Jr. and Andy Kubert combine forces to set the stage for the epic Dark Nights: Metal. Leading directly into this blockbuster event, Dark Days: The Road to Metal collects Dark Days: The Forge #1 and Dark Days: The Casting #1, as well as classic DC stories that built the foundations of Metal, including Final Crisis #6-7, Batman: The Return of Bruce Wayne #1, Batman #38-39, Nightwing #17 and more!