Doctor Who Ongoing 2 TPB Volume 02 When Worlds Collide

"Join the Doctor and his companions, Amy and Rory, as they travel to the far reaches of space-a vacation planet built on a rift where multiple alternate adventures overlay each other-and the distant past-where our heroes must face Vikings to save their friend and the future of Britain! This book collects issues #5-8 of the ongoing series, written by Tony Lee with art by Mark Buckingham (Fables) and Matthew Dow Smith, and cover by Tommy Lee Edwards (Turf)."