Frank Miller's graphic novel Holy Terror hits stores Wednesday.

Frank Miller doesn’t do things halfway. One of the true comic-book greats, he’s created several of the most extraordinary stories ever to grace the art form. So perhaps it’s fitting that now he’s produced one of the most appalling, offensive and vindictive comics of all time.

Holy Terror, Miller’s long, long, long-awaited statement on 9/11 and counterterrorism, hit comic book stores Wednesday. Longtime Miller watchers have viewed it with apprehension, hoping that his dark views about the source of that national trauma wouldn’t t...