The DC Comics universe teeters on the brink of annihilation as a cosmic entity manipulates events to pit heroes against each other. The story follows the machinations of Alexander Luthor Jr. and the Joker, who orchestrate a devastating war among Earth's greatest heroes, fracturing the multiverse and leading to the deaths of many iconic figures. The narrative framework is a sprawling, multi-threaded epic that weaves together numerous storylines and character perspectives across the DC continuity.

This companion volume is widely regarded as an essential resource for understanding the complex narrative of DC Comics' Infinite Crisis event. It provides crucial context, character insights, and a comprehensive overview of the storyline's intricate plot threads. Readers and critics alike have praised its thoroughness in dissecting the event's impact on the DC Universe's continuity. The book serves as an invaluable guide for navigating the numerous tie-ins and understanding the motivations of the key players involved.