Everyone's talking about the X-Men - they're the hottest super heroes around! Now everything you wanted to know about the X-Men - their incredible powers, their best team-ups, their greatest battles, and much, much more - is here inside The Marvel X-Men Guide Book *The Top Secret Origins of the X-men, X-Factor, X-Force and Excalibur! *Profiles of the most famous super mutants - and their fiercest foes! *A guided tour of the X-men mansion and the top-secret Danger Room! *A list of the most valuable X-men comics!