"Yesterday: The Caped Crusader and the Boy Wonder, held hostage by an alliance of masterminds with time on their side. The Dark Knight, pulled from his most personal case to face humanity's darkest day-- Today: A new Dynamic Duo, struggling to honor their predecessors' memory by facing an old enemy and solving an impossible crime. Bruce Wayne, losing himself as all of history folds in around him-- Tomorrow: An army of Batmen, separated by decades and united by a common cause, take the fight to the enemy in worlds far beyond their mentor's most nightmarish visions-- Forever: No matter when, no matter where, no matter how dark, all evildoers will learn that there are two forces from which they can never escape-- Time, and the Batman" -- dust jacket flap.