The book was written by John Layman . This book was published in June 1977 - October 1979 . It falls in parody of sword and sorcery (early issues) category . Alexander Luthor Jr.,Sister Superior,Monitor,Kyle Rayner,Shiera Hall,Maxwell Lord,Harbinger,Major Disaster,Psycho-Pirate,Superman (Kal-El),Carter Hall,Coldcast,Arthur Curry,J'onn J'onzz,Dawn Granger,See Characters,Dr. Lightare the main characters of the book . The no. of issues of the book is 60 . Countdown to Final Crisis was a Anthology . An issue used to be published Bimonthly (#1–2) . The book namedCountdown to Final Crisis was published by Marvel Comics
John Layman writes in Anthology format