Robert Ludlum's the Hades Factor

A baffling virus has claimed the lives of four people across the country-- including Dr. Sophia Russell, a research scientist working to understand the disease. Bitter and broken-hearted over the death of his beautiful fiancé e, Jon Smith is determined to uncover the cause of the virus that killed her-- and prevent it from turning into a pandemic of epic proportions. He'll travel across the globe and into the darkest corridors of murder and greed, to find a killer who would sacrifice millions of lives for his own success...