Robert Ludlum's The Hades Factor (Covert-One Series #1)

The #1 bestselling master of suspense and international intrigue continues to set the standard against which all other thrillers are measured with his expertly plotted, pulse-pounding Covert-One series.


An unknown doomsday 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 her death, Lt. Colonel Jon Smith is determined to uncover the cause of the virus that killed h...