Devolution : a firsthand account of the Rainier Sasquatch Massacre / Max Brooks.

"Set in the wilds of Washington State, Greenloop was once a model eco-community--until nature's wrath made it a tragic object lesson in civilization's fragility. Offering a glorious back-to-nature experience with all the comforts of high-speed Internet, solar smart houses, and the assurance of being mere hours from Seattle by highway, Greenloop was indeed a paradise--until Mount Rainier erupted, leaving its residents truly cut off from the world, and utterly unprepared for the consequences. With no weapons and their food supplies dwindling, Greenloop's residents slowly realized that they were in a fight for survival. And as the ash swirled and finally settled, they found themselves facing a specter none of them could have predicted--or even thought possible..."-- From publisher's description.