""Secret Service Under Pitt"" is a historical book written by William John Fitzpatrick, first published in 1892. The book is a detailed account of the secret service during the time of William Pitt the Younger, who served as the Prime Minister of Great Britain during the late 18th century.The book provides a comprehensive overview of the secret service system during Pitt's tenure and sheds light on the various espionage and intelligence-gathering...