Marvel Masterworks: The X-Men Vol. 4 — Roy Thomas

Collecting Uncanny X-Men (1963) #32-42. The Juggernaut has returned to plague the X-Men! That's not the only earth-shaking tale in store, though. There's the X-Men vs. Spider-Man; an underworld battle against the Mole Man and Tyrannus; and the culmination of the Factor Three epic featuring the Changeling and the unbelievable Mutant Master. Plus, witness the brutal beast Grotesk kills Professor X before the eyes of Cyclops and the X-Men!