Astonishing X-Men, Vol. 5: Ghost Box

It's the book you've been waiting for The superstar team of Warren Ellis and Simone Bianchi are ready to take the X-Men to the "Second Stage".
Messiah CompleX pulled the X-Men team together, Divided We Stand tore them apart. Now the X-Men are back to business - with a new look, a new base of operations, and a mystery to solve that will take them into previously uncharted territory and test them to their core.

Collecting: Astonishing X-Men 25-30, Astonishing X-Men: Ghost Boxes 1-2