About the Titans United Bloodpact Graphic Novel

The Titans are back, united against a common foe...aren't they?All seems lost when Tim Drake wakes, out of uniform and seemingly out of time. Surely he was just fighting alongside Nightwing, Superboy, Starfire, Beast Boy, and Donna Troy? But where is Raven and what links her to the Fearsome Five? A blood sacrifice is coming that will change the world forever.This collection includes Titans United: Bloodpact #1-6!