Claremont and Byrne's industry-defining runs! Chris Claremont and John Byrne's collaboration ranks among the greatest that comics have ever known. But of their many iconic X-MEN stories, none was more epic or influential than 'The Dark Phoenix Saga!' The X-Men have fought many battles, set out on galaxy-spanning adventures and grappled with enemies of limitless might, but nothing could prepare them for their most shocking battle: One of their own teammates, Jean Grey, has gained power beyond all comprehension, corrupting her into the Dark Phoenix! Now, the X-Men must fight the woman they cherish or the universe itself will be consumed by her unquenchable fire! Also featuring Wolverine vs. Wendigo, the dystopian 'Days of Future Past,' and more!