Heroes & Monsters: The Unofficial Companion to the League of Extraordinary Gentlemen Paperback – June 1, 2003 by Jess Nevins 
 
This book-length celebration and analysis of the Artistic Event of the Century includes an exclusive interview and introduction by League of Extraordinary Gentlemen co-creator and author Alan Moore; commentary by co-creator and illustrator Kevin O'Neill: detailed, panel-by-panel annotations of the first League of Extraordinary Gentlemen series.
 
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