A disaster of this magnitude has never happened in the history of the United States, and President Merrill can't accept the document in front of him. Is The Yellowstone Brief the only hope for the survival of the United States? In a remote part of Mexico, USGS volcanologist Dr. David Wayne is assigned to a top secret operation run by the US Army Corps of Engineers. He knows little about the assignment. He is on a need to know basis, and the colonel in charge doesn't think he needs to know much. Everyone in the operation is dead, yet the government is saying the operation was a success. Is he expected to do his job quietly without question? He is soon to learn that the government holds secrets that it can't share with its citizens. FBI Agent Heather Martin jumps at the chance to leave her boring job in White Collar Crime and go into the field to infiltrate Green Keepers, an organization thought to be funded by terrorists linked to Al-Qaida. She is supposed to find out where their money is coming from, but she ends up in the middle of a plot to destroy the nation. Henry Evans likes his job as Yellowstone Park Volcanologist, that is until the earth starts to shake, the ground under him starts to heat up, and the Army takes over control of the park. He wants to leave, but that is not an option. Science fiction or a real scenario? This thriller will keep you turning the pages to see what happens next.