Collects X-Men: The 198 #1-5, plus material from the X-Men: The 198 Files handbook.
The unthinkable has happened in the Marvel Universe! In the wake of House of M, in the blink of an eye, the whole world has changed! In this new world order, Xavier's School becomes a haven for those that are different. But has this former sanctuary become the one place most dangerous for mutants?