"The Treasure-Train" by Arthur B. Reeve is a captivating mystery about an express company treasurer, Granville Barnes, who suddenly becomes severely ill, possibly connected to a valuable gold shipment. The narrative centers on the brilliant detective Craig Kennedy, known for his scientific approach, who embarks on a quest to discover the truth behind Barnes's condition, spurred by concerns raised by Barnes's daughter, Maude Euston, about some strange conversations she overheard. As Kennedy, along with his companion, launch the investigation, they encounter a web of secrets, suspecting corporate sabotage and intrigue that involves poisoned air and hidden motives. The unfolding narrative artfully combines elements of suspense, affection, and risk, urging readers to solve the riddle buried in a milieu of deceit and hazard.

The Treasure-Train
By Arthur B. (Arthur Benjamin) Reeve
When a treasurer mysteriously falls ill, his daughter seeks help from a scientific detective racing to uncover conspiracies swirling around a treasure-laden train.
Summary
About the AuthorArthur Benjamin Reeve was an American mystery writer. He is known best for creating the series character Professor Craig Kennedy, sometimes called "The American Sherlock Holmes", and Kennedy's Dr. Watson-like sidekick Walter Jameson, a newspaper reporter, for 18 detective novels. Reeve is famous mostly for the 82 Craig Kennedy stories, published in Cosmopolitan magazine between 1910 and 1918. These were collected in book form; with the third collection, the short stories were published grouped together as episodic novels. The 12-volume publication Craig Kennedy Stories was released during 1918; it reissued Reeve's books-to-date as a matched set.
Arthur Benjamin Reeve was an American mystery writer. He is known best for creating the series character Professor Craig Kennedy, sometimes called "The American Sherlock Holmes", and Kennedy's Dr. Watson-like sidekick Walter Jameson, a newspaper reporter, for 18 detective novels. Reeve is famous mostly for the 82 Craig Kennedy stories, published in Cosmopolitan magazine between 1910 and 1918. These were collected in book form; with the third collection, the short stories were published grouped together as episodic novels. The 12-volume publication Craig Kennedy Stories was released during 1918; it reissued Reeve's books-to-date as a matched set.