9 books in series

DC Universe Events

DC Universe Events is a 9-book series with 9 released primary works first released in 1992 with contributions by Dan Jurgens, Jerry Ordway, Karl Kesel, Louise Simonson, Gerard Jones, Roger Stern, Doug Moench, Chuck Dixon, Alan Grant, Dennis O'Neil, Jo Duffy, Jeff Lemire, and Tom King.

The Death of Superman
Batman: Knightfall, Part Three: Knightsend
Identity Crisis
Swamp Thing, Volume 3: Rotworld: The Green Kingdom
Animal Man, Volume 3: Rotworld: The Red Kingdom
Batman, Volume 3: Death of the Family
Justice League, Volume 3: Throne of Atlantis
Batman, Volume 4: Zero Year – Secret City
Batman, Volume 5: Zero Year – Dark City
Justice League, Volume 7: Darkseid War, Part 1
Justice League, Volume 8: Darkseid War, Part 2
Heroes in Crisis
Wonder Woman & Justice League Dark: The Witching Hour