“Washburn brings a new kind of terror. “—Marc CameronFIRST 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 awaken after 640,000 years. If—or when—it blows, two-thirds of the North American  continent will be destroyed . . .NOW THE WHOLE WORLD TREMBLES . . . IN FEAR Racing against time, Tucker Mayfield mobilizes a team to evacuate all visitors from the park—including his family at the Old Faithful Inn. But when the earthquakes intensify, and the death toll rises, a shockwave of panic spreads across the nation. Troops are deployed, emergency plans activated. But nothing can stop a natural disaster of this magnitude. When the volcano erupts, doomsday begins—and no one gets out alive . . .“Apocalypse has come...unsettling...Washburn shows formidable storytelling skills....You find youself wishing it were longer.”—Mystery Scene on Powerless“Leaves you breathless.”—Marc Cameron, bestselling author of National Security and Day Zero   “Like a nuclear reactor, this story heats up fast!”—Anderson Harp, author of Retribution and Born of War (on Powerless)