The Sum of All Fears. Tom Clancy

Thomas Leo Clancy Jr. (April 12, 1947 – October 1, 2013) was an American novelist. He is best known for his technically detailed espionage and military-science storylines set during and after the Cold War. Seventeen of his novels have been bestsellers and more than 100 million copies of his books have been sold.[1] His name was also used on screenplays written by ghostwriters, nonfiction books on military subjects occasionally with co-authors, and video games