A true story of spies and intrigue surrounding one of the most enduring unsolved mysteries of the 20th century, investigative reporter Ravi Somaiya uncovers the story behind the death of renowned diplomat and UN Secretary General Dag Hammarskjöld. p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Times New Roman' p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Times New Roman'; min-height: 15.0px On Sept. 17, 1961, Dag Hammarskjöld boarded a Douglas DC6 propeller plane on the sweltering tarmac of the airport in Leopoldville, the capital of the Congo. Hours later, he would be found dead in an African jungle with an Ace of Spades tucked in his collar.

Hammarskjöld had been head of the United Nations for nine years. He was legendary for his dedication to peace on earth. But dark forces circled him: a powerful and connected group of people from an array of nations and organizations - including the CIA, the KGB, underground militant groups,...