An issue used to be published Monthly . Crisis on Infinite Earths was a Limited series . DC Comics published ,The book named Crisis on Infinite Earths . The no. of issues of the book is 12 . This book was published in April 1985 – March 1986 . The main characters of this book are Monitor,Harbinger,Pariah,Superman (Kal-El),Superboy-Prime,Alexander Luthor Jr.,Flash (Barry Allen),Psycho-Pirate,Anti-Monitor
The book has less than 13 characters