Collects X-Men (1963) #56-57 (A Stories), #58-63 and #65. In 1969, with X-MEN on the verge of cancellation, the creative team of Roy Thomas and Neal Adams charted a bold new direction for Marvel''s mutants…and the rest is history! Their epic evolution of the X-Men defines the team to this day. Adams'' lavish and dynamic visuals and Thomas'' challenging and contemporary stories combined to create a book that throbbed with the pulse of the times. Their iconic run introduced the cosmic-powered Havok, the vampiric villain Sauron and the bizarre Mutates, while pairing the X-Men and Ka-Zar in a classic Savage Land battle against the X-Men''s greatest foe — Magneto! Painstakingly restored, packed with bonus material and presented in oversized glory, every page is a testament to the greatest in comic book storytelling!