The blockbuster event of the summer is now in paperback, featuring stories from JUSTICE LEAGUE #22-23, JUSTICE LEAGUE OF AMERICA #6-7, JUSTICE LEAGUE DARK #22-23, CONSTANTINE #5, TRINITY OF SIN: PANDORA #1-3 and TRINITY OF SIN: PHANTOM STRANGER #11. When the three Justice Leagues go to war with one another, whose side will everyone be on?