Cataclysm: New Excerpt

Cataclysm is the latest thriller from Tim Washburn (Available October 25, 2016). FIRST THE GROUND SHAKES… At Yellowstone National Park, earthquake tremors are common. But today, park scientist Tucker Mayfield detects something different: a disturbing new increase in activity—and intensity… THEN THE LAVA RISES… Lurking beneath the park’s natural wonders, earth’s largest supervolcano begins to…