WHO ARE THE DARK X-MEN? He has his own Avengers team and now Norman Osborn has his own X-Men team. The other shoe has finally dropped and Emma Frost has betrayed Cyclops and the rest of the X-Men. And that's just one of the huge surprises in "UTOPIA." Is that Namor? Cloak and Dagger? Professor X?! The thing that you aren't ready for is that Osborn is right. Collects Uncanny X-Men #513-514, Dark Avengers #7-8, Dark Avengers/Uncanny X-Men: Utopia, and Utopia Finale.

Now in one titanic tome: the entire chart-topping run of super-team Joss Whedon and John Cassaday! Winner of multiple prestigious Eisner Awards, Whedon and Cassaday's Astonishing X-Men was a smash hit with critics and fans alike from the very first issue - winning praise from dozens of top media outlets including Entertainment Weekly, Publishers Weekly, TV Guide, and New York Magazine, as well as racking up nearly every major comic-book industry award. Buffy the Vampire Slayer creator Whedon and Cassaday (Captain America, Planetary) assembled a tight cast - Cyclops, the Beast, Wolverine, and Emma Frost, joined by returning fan-favorite Kitty Pryde - and set forth a groundbreaking pace, from the opening pages of a Sentinel attack to the unexpected return of a beloved X-Man. Then, building on early momentum, they ratcheted up the danger and drama with a shocking second year, creating a must-read book that can truly be called "astonishing!" Collects Astonishing X-Men #1-24, and Giant-Size Astonishing X-Men #1.

Dream-team creators Joss Whedon (TV's Buffy the Vampire Slayer) and John Cassaday (Planetary, Captain America) present the explosive, all-new flagship X-Men series - marking a return to classic greatness and the beginning of a brand-new era for the X-Men! Cyclops and Emma Frost re-form the X-Men with the express purpose of "astonishing" the world. But when breaking news regarding the mutant gene unexpectedly hits the airwaves, will it derail their new plans before they even get started? As demand for the "mutant cure" reaches near-riot levels, the X-Men go head-to-head with the enigmatic Ord, with an unexpected ally - and some unexpected adversaries - tipping the scales! Collects Astonishing X-Men #1-6.

The biggest event to hit the X-Men in ten years is here! Just when it looked like there was no possibility of a future for mutants, hope arrives. But the X-Men aren't there to meet it - the Marauders and Purifiers beat them to it. Now the race is on to get the first new mutant since House of M! Collects X-Men: Messiah CompleX One-Shot, Uncanny X-Men #492-494, X-Men #205-207, New X-Men #44-46, X-Factor #25-27, and X-Men: Messiah CompleX - Mutant Files.

It's the book you've been waiting for! The superstar team of Warren Ellis and Simone Bianchi are ready to take the X-Men to the "Second Stage"! Messiah CompleX pulled the X-Men team together, Divided We Stand tore them apart. Now the X-Men are back to business - with a new look, a new base of operations, and a mystery to solve that will take them into previously uncharted territory and test them to their core! Collects Astonishing X-Men #25-30, Ghost Boxes #1-2.

Magneto's return has stunned the X-Men, but that's not the only surprise they're in for as a herd of Predator X's come hungry for mutant tar tar. The hits just keep coming, but can the X-Men, still nursing their wounds from UTOPIA, deal with this? Collects Uncanny X-Men #515-518 and Dark Reign: The List - X-Men.

It's the exciting sequel to 2007's Messiah Complex! Cyclops has complete faith that his son, Cable, will do everything he can to protect the so-called mutant messiah - who he believes will save mutantkind. But he also knows what havoc former X-Man Lucas Bishop has wreaked in the nightmarish future. So now he's sent his black ops team, the X-Force, on a risky, time-traveling mission to save Cable and the child, completely unaware that there's something else waiting for them in the future. Something not even Bishop was counting on... Collects Cable #13-15, X-Force #14-16, and Messiah War one-shot.

They're back! The chart-topping super-team of Joss Whedon and John Cassaday return for more Astonshing X-Men! If you thought their past efforts were full of shocks and surprises, hold onto your eyeballs - because you haven't seen anything yet, as things go from peculiar to just plain bizarre! Emma Frost's erratic behavior has the X-Men spinning in a non-stop downward spiral. Will an unlikely union be the final straw? After secretly lying in wait for months, the new Hellfire Club makes its move! Plus: The X-Man destined to destroy the Breakworld stands revealed! Who is it, and what will be their fate? Collects Astonishing X-Men #13-18.

Strap yourselves in, folks! It's Joss Whedon and John Cassaday's final arc on Astonishing X-Men! After the shocking and brain-smashing events of recent issues, the X-Men are off to protect the Earth from its destruction at the hands of the Breakworld. And when it's all over, nothing will ever be the same! No, really, we mean it! Whedon and Cassaday prove they are more than Astonishing: They are unstoppable! Collects Astonishing X-Men #19-24 and Giant-Size Astonishing X-Men #1.

A tragic death at the Xavier Institute reveals a powerful enemy living among the X-Men that they could never have suspected - and no, it's not Magneto. Things heat up in a way none of the X-Men ever dreamed, but will teamwork save the day when they can't even depend on themselves? Collects Astonishing X-Men #7-12.