It used to be published Bimonthly (#1–2) . The no. of issues of the book is 31 . This book was published in January 2007 - May 2007 . The book namedCountdown to Final Crisis was published by Atlas, Marvel . Countdown to Final Crisis was a Miniseries,Limited series . The main characters of this book are Forager,Karate Kid,Mary Marvel,Pied Piper,Jimmy Olsen,Kyle Rayner,Superman-Prime,Holly Robinson,Triplicate Girl,Shadowpact,Trickster,Jason Todd,Darkseid,Duela Dent,Monarch,rest of DC Universe,Ray Palmer,Donna Troy,Harley Quinn . It falls in alternate history category . Yoshihiro Togashiwrote the book Countdown to Final Crisis
Countdown to Final Crisis had less than 8 issues