"An Enemy of the Crown: The British Secret Service Campaign against Charles Haughey" delves into the clandestine operations of the British intelligence services targeting one of Ireland's most controversial political figures. This meticulously researched non-fiction work by acclaimed historian Vincent McKenna uncovers covert surveillance, political machinations, and espionage during Haughey's tumultuous career. The book offers a gripping exploration of the shadowy world of espionage, revealing the lengths to which the British state would go to undermine a perceived threat. Essential for enthusiasts of political history and espionage, it provides a compelling narrative of intrigue and statecraft.