Book 1
Countdown (2008-) #1
Paul Dini & Tom Derenick
Book 2
Countdown (2008-) #2
Paul Dini, Sean McKeever, Scott Beatty, Scott Kolins & Ryan Sook
Book 3
Countdown (2008-) #3
Paul Dini, Sean McKeever & Freddie Williams II
Book 4
Countdown (2008-) #4
Paul Dini, Sean McKeever, Scott Beatty, Jamal Igle & Cliff Chiang
Book 5
Countdown (2008-) #5
Paul Dini, Adam Beechen, Scott Beatty, Tom Derenick & Jim Starlin
Book 6
Countdown (2008-) #6
Paul Dini, Adam Beechen, Scott Beatty, Mike Norton & Jesús Saíz
Book 7
Countdown (2008-) #7
Paul Dini, Adam Beechen, Scott Beatty, Tom Derenick & Graham Nolan
Book 8
Countdown (2008-) #8
Paul Dini, Jimmy Palmiotti, Scott Beatty, Justin Gray, Carlos Magno & Doug Mahnke
Book 9
Countdown (2008-) #9
Paul Dini, Jimmy Palmiotti, Scott Beatty, Justin Gray, Tom Derenick & Mike Norton
Book 10
Countdown (2008-) #10
Paul Dini, Justin Gray, Scott Beatty, Jimmy Palmiotti, Scott Kolins & Bruce Timm