The first of a series of four volumes, that collects the incredible tale starring Jimmy Olsen, Mary Marvel, Donna Troy and all the major characters of the DC Universe!

COUNTDOWN follows up the events of bestsellers INFINITE CRISIS and 52 and leads into DC's next major event, FINAL CRISIS. When a surprising character dies in chapter one, it sets off an unexpected ripple that will touch virtually every character in the DC Universe and change the status quo forever.