Written by JOSS WHEDON
Penciled by JOHN CASSADAY
Cover by JOHN CASSADAY

Collects Astonishing X-Men (2004) #13-18. Emma Frost's erratic behavior has the X-Men spinning in a non-stop downward spiral. Will an unlikely union be the final straw? After secretly lying in wait for months, the new Hellfire Club makes its move! Plus: The X-Man destined to destroy the Breakworld stands revealed!