Collects Uncanny X-Men (1963) #129-137. Gathered together by Professor Charles Xavier to protect a world that fears and hates them, the X-Men had fought many battles, been on adventures that spanned galaxies, grappled enemies of limitless might, but none of this could prepare them for the most shocking struggle they would ever face. One of their own members, Jean Grey, has gained power beyond all comprehension, and that power has corrupted her

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A coup overthrows the Hellfire Club and a newly formed team of X-Men is caught in the middle. Meanwhile, hundreds of escaped convicts arrive from the future, and are being pursued by a ruthless mutant policeman named Bishop.

The heart of an Antarctic volcano. The steamy jungles of the hidden Savage Land. Coastal Japan in flames and the far-flung Canadian city of Calgary buried in drifts of snow. All these locales and more await our merry band of mutants in the following eleven issues- and there's no time to catch your breath! This volume reads as one long story, setting the tone for the heavy continuity approach the next two decades would take. The first issue the X-Men...

Desperate times call for a darker team of X-Men! With mutant kind in extinction's crosshairs once more, Magneto leads a group of the deadliest that Homo superior has to offer to fight for the fate of their species! Refusing to accept even one more mutant death, the most ruthless possessors of the X-gene on Earth - deadly warriors like Sabretooth, Fantomex, Mystique and Psylocke - have banded together to proactively mow down their enemies. But with...

Also collects Annual #1. The X-Men confront the Inhumans in the most uncanny conflict of all! Since the discovery that the Terrigen Mist - the key to unlocking an Inhuman's hidden potential and powers - is lethal to mutants, the X-Men and Inhumans have been locked in a cold war. But now things are heating up, and about to boil over, as the X-Men are forced into drastic steps to ensure the future of their species! But when Magneto goes too far, what...

The thrilling saga that commemorated the X-Men's 30th anniversary is brought to you in its entirety! As Magneto's Acolytes amp up their attacks on Homosapiens everywhere, the X-teams join forces to put an end to their mad crusade against humanity once and for all. And as a mysterious disease begins creeping through the mutant community, claiming the lives of hated foe and dear friend alike, which X-Man will buckle under the strain? Collecting: Uncanny...

Also collects Uncanny X-Men Annual (1970) #4. The X-Men had fought many battles, been on adventures that spanned galaxies, grappled with enemies of limitless might, but none of this could prepare them for the most shocking struggle they would ever face. Jean Grey has gained power beyond all comprehension, corrupting her and transforming her into the Dark Phoenix! Now they must decide is the life of the woman they cherish worth the existence of the...

Cyclops and Wolverine are together again - and they're mutantkind's only hope! After the devastating events of "X-Men Disassembled," it falls to Scott Summers to rebuild the X-Men in the face of overwhelming hatred. Thankfully, he's not the only X-Man to have just returned from oblivion. Drawing together a new team from the ashes, Cyclops and Wolverine turn their eyes to setting an all-new agenda. Cyclops has a list of matters the X-Men must address...