Star Trek: The Next Generation / Doctor Who: Assimilation² #1: Volume 1

When the Federation's most terrifying enemy strikes an unholy alliance with one of the Doctor's most hated antagonists, the result is devastation on a cosmic scale! Spanning the ends of space and time itself, Captain Jean-Luc Picard and the crew of the USS Enterprise find themselves joining forces with the Doctor and his companions, with the fate of the galaxy hanging in the balance!