"The Fourth Protocol" is an exciting espionage thriller by Frederick Forsyth, which raises the issue of the nuclear threat and international politics. This book tells the story of the Soviet regime's attempt to use nuclear weapons to destabilize Western Europe. The main character, an agent of the British intelligence agency MI-5, John Patrick Patrickson, is tasked with preventing the implementation of the Fourth Protocol. The author has successfully combined the tension of the spy genre with the realistic details of the political landscape since the Cold War. The book allows the reader to delve into the sophisticated world of espionage intrigues, where every step of the main character is decisive for the future of the world. The Fourth Protocol is an exciting journey into the world of espionage warfare that will keep you on the edge of your seat until the last page.