"The Clock Struck One" is a detective novel by Fergus Hume, published in 1906. The story begins when a wealthy man is found dead in his mansion under mysterious circumstances. The only clue to the murder is the striking of a clock, specifically when it struck one. The novel follows the efforts of the detective, who is tasked with unraveling the complex web of secrets and motives surrounding the murder. As the investigation progresses, a host of intriguing characters, each with their own potential motives, come under suspicion. The clock's striking at one o'clock serves as a central motif and a critical piece of evidence in solving the case. Throughout the novel, readers are taken on a journey through the world of Victorian-era detective work, as the detective employs deductive reasoning and clever investigative techniques to uncover the truth behind the murder. As the story unfolds, secrets are revealed, alibis are scrutinized, and the tension builds until the final revelation of the murderer's identity. "The Clock Struck One" is a classic example of Fergus Hume's contribution to the detective fiction genre, known for its intricate plotting, mysterious atmosphere, and the clever use of clues to solve the central mystery. It's a tale that showcases the timeless appeal of classic detective novels.