The Spy of the Rebellion
 Being a True History of the Spy System of the United States Army during the Late Rebellion

by Allan Pinkerton

"The Spy of the Rebellion" by Allan Pinkerton is a historical account written in the late 19th century. The book provides a detailed narrative of the spy system employed by the United States Army during the Civil War, revealing many secrets and operations that were previously unknown to the public. The narrative centers on Pinkerton himself, as he recounts the covert actions taken to protect President Abraham Lincoln and thwart assassination attempts against him during his journey to Washington. At the start of the book, Pinkerton reflects on the political climate leading up to Lincoln's inauguration, describing the growing hostility in the South and the alarming threats against the President-elect. He reveals early warnings of a conspiracy to assassinate Lincoln while traveling through Baltimore and shares his efforts as the Chief of the Secret Service to investigate and capture the plotters. The opening chapters introduce Pinkerton's operatives, including Timothy Webster, who play essential roles in the unfolding drama as they gather intelligence and navigate the treacherous environment of a nation on the brink of civil war.