1st Edition - 1st printing. Collects Uncanny X-Men (1963-2011) 1st Series #270-272, New Mutants (1983-1991 1st Series) #95-97, and X-Factor (1986-1998 1st Series) #60-62. Written by Chris Claremont and Louise Simonson. Art by Jim Lee and Rob Liefeld. Cover by Jim Lee.