Stan Lee and Jack Kirby introduce the mighty mutants to the Marvel Universe! Training to fight for a world that hates and fears them, they are the Uncanny X-Men! Cyclops! Beast! Iceman! Angel! And their newest recruit, Marvel Girl! Professor Charles Xavier brings together these Children of the Atom to teach them to use their mutant powers to protect mankind - and they're quickly forced into action when Magneto, the Master of Magnetism, strikes! The X-Men are a pop-culture phenomenon, and this is the story that birthed the legend! It's one of the all-time great Marvel comic books, boldly re-presented in its original form, ads and all! Reprinting X-MEN (1963) #1.