Marvel Masterworks: The X-Men #1 Variation A

Collects material from X-Men (1st Series) # 1-10

X-Men; No One Can Stop the Vanisher!; Beware of the Blob!; The Brotherhood of Evil Mutants!; Trapped: One X-Man!; Sub-Mariner Joins the Evil Mutants!; The Return of the Blob; The Uncanny Threat of… Unus, the Untouchable!; Enter, the Avengers!; The Coming of… Ka-Zar!

Writer: Stan Lee

Artist: Jack Kirby