London: British author Frederick Forsyth has died at the age of 86. Forsyth, the author of "The Day of the Jackal," was recognized internationally for his contributions to the thriller genre. According to Qatar News Agency, Forsyth was described by his publishing agency, Curtis Brown, as "one of the world's greatest thriller writers." Throughout his career, Forsyth penned approximately 20 novels, with sales reaching nearly 70 million copies worldwide. His most acclaimed works include "The Day of the Jackal" published in 1971 and "Kill List" released in 2013. Forsyth's writing left a significant impact on readers and the literary world, cementing his legacy as a master of the thriller genre.