This X-Factor volume #20, titled "Hell on Earth War," is a must-have addition to any comic book collector's library. Published by Marvel Comics in 2013, this TPB features issue number 20 of the modern age X-Factor series. The comic is presented in English and is a part of the Collectibles category on eBay. The book follows the X-Factor team as they battle demons from the underworld in a storyline that will keep you on the edge of your seat. This library copy is in excellent shape and is sure to be a treasured addition to your collection. Don't miss out on the opportunity to own this incredible piece of comic book history.