"Contains material originally published in magazine form as GIANT-SIZE X-MEN #1 and #3-4, CLASSIC X-MEN #1, X-MEN ORIGINS: COLOSSUS, X-MEN ORIGINS: WOLVERINE, X-MEN: DEADLY GENESIS #1-6, WHAT IF? #9 and #23, and X-MEN GOLD #1."--Title page verso. "X-men created by Stan Lee & Jack Kirby"--Contents page. Marvel rating: T+.