Tom Clancy wrote eighteen well known novels, such as "The Hunt for Red October," "Patriot Games," "Clear and Present Danger," "The Sum of All Fears" and "Rainbow Six." According to the New York Times, seventeen of his books have reached number one on their best-seller list.
Many of Tom Clancy's books focus on espionage and military activity during and after the Cold War. These novels ushered in a new style of writing at the time, one which incorporated the technicalities of weaponry and intelligence gathering. With more than 100 million copies of his books in print, it was a style which the public clearly appreciated.
Jack Ryan, arguably Clancy's most well-known character, plays some part in seventeen of his novels, starting out as a Marine. Eventually, he joins the CIA as an analyst and later ascends to the Presidency of the United States. These novels have been adapted into movies on several occasions, with everyone from Alec Baldwin to Harrison Ford to Chris Pine having portrayed the character of Ryan.
John Clark, Clancy's other most recognizable character, is a Navy SEAL who joins the CIA and often weaves in and out of the novels featuring Jack Ryan. He has been portrayed on film by Willem Dafoe and Liev Schreiber.
Other books that Tom Clancy has authored include: "Full Force and Effect," "Support and Defend," "Commnad Authority," "Threat Vector" and "Locked On." "The Teeth Of The Tiger," "Red Rabbit," "Dead or Alive" and "Executive Orders" are also some of his best selling books.