Spooks the Unofficial History of Mi5 from M to Miss X 1909-39

Focusing on the clandestine operations of MI5, this book reveals the agency's history from its inception in 1909 to its crucial role in countering espionage during the 20th century. It highlights the intriguing lives of key figures like Vernon Kell and Maxwell Knight, who skillfully infiltrated enemy networks. The narrative features remarkable agents, including 'Miss X' and 'Miss Z', whose efforts were pivotal in dismantling Soviet and Fascist spy rings. The work draws from previously classified sources, offering a fresh perspective on Britain's Security Service.