"Uncle Sam, Detective" by William Atherton DuPuy is a novel written in the early 20th century. The book is centered around the character Billy Gard, a special agent of the U.S. Department of Justice, who embarks on various investigative missions against lawbreakers and those who challenge government authority. The intricacies of his cases not only highlight the challenges posed by criminals but also reflect the moral dilemmas faced by law enforcement agents in their quest to uphold justice. The opening portion of the novel introduces us to Billy Gard as he prepares to tackle a challenging mission involving moonshiners in the rugged Cumberlands, a task local law enforcement has failed to conquer. Gard, described as a nondescript but determined young agent, travels alone into danger, seeking to enlist the help of local residents like Sam Lunsford, a mountaineer who has survived an assassination attempt for opposing illegal whiskey production. As Gard begins to gather evidence and develop trust among the locals, he investigates the circumstances surrounding a murder linked to the moonshiners, hinting at the complexities of his pursuit. This introduction sets the tone for a narrative that combines elements of adventure, crime-solving, and a deep dive into the social issues of the time. (This is an automatically generated summary.)