X-Men Unlimited (II)
X-Men vs. Agents of Atlas
The X-Men vs. the Avengers
X-Men vs. the Brood
X-Men vs. Hulk
X-Men: The Wedding Album
X-Men: The Wedding Special
X-Men: Worlds Apart
X-Men: Worst X-Man Ever
X-Men: Yearbook 1999
X-Necrosha
X-Necrosha: The Gathering
X-Statix
X-Statix Presents: Dead Girl
X-Termination
X-Terminators
X-Tinction Agenda
X-Treme X-Men (I)
X-Treme X-Men (II)
X-Treme X-Men Annual 2001
X-Treme X-Men X-Posé
X-Universe
X-Women