Worlds Colliding (Supernatural) Book Two

John Winchester is no longer with them.
Sam, Dean and Catty Winchester are grieving their father's death in different ways.
Sam is coping.
Dean is angry and violent.
Catty is almost numb. But she's handling it better than Dean is.
They're still hunting, and they're still on the job.
And Bobby and Ness Singer are able to help them more and more.
But could their be a possible relationship between Dean or Ness, not in the immediate present, but in the later future?
And what happens when Yellow Eyes is dead set on finding and using his "Special Children", including Sam?
And who will be involved other than the Winchesters?
Who will help them fight this battle and win this war?