Robert Ludlum

Robert Ludlum was an American author of 25 thriller novels. The number of his books in print is estimated between 290-500 million copies. They have been published in 33 languages and 40 countries. Ludlum also published books under the pseudonyms Jonathan Ryder and Michael Shepherd.[1][1] [1]: http://en.wikipedia.org/wiki/Robert_Ludlum