In this Civil War Prose Hardcover Novel, the Marvel Universe is changing. In the wake of a tragedy, Capitol Hill proposes the Super Hero Registration Act, requiring all costumed heroes to unmask themselves before the government. Divided, the nation's greatest champions must each decide how to react - a decision that will alter the course of their lives forever! Experience Marvel's blockbuster event like never before in this new adaptation! This hardcover novel is 352 pages long.