Dan Watters 
Home Sick Pilots Vol. 2: I Wanna Be A Walking Weapon [PDF ebook] 

There is a haunted house that has learned to walk. As it chases her across the country, Ami, lead singer of the Home Sick Pilots, regrets teaching it how. But when the military attempts to develop their own ghost-powered weapon, the Old James House might be the only defense the world has against what they unleash. Collects HOME SICK PILOTS #6-10