"The Riddle of the Night" by Thomas W. Hanshew is a mystery novel written in the early 20th century. The story follows Hamilton Cleek, a brilliant detective known for his many disguises, as he navigates a perplexing murder case involving the mysterious Count Franz de Louvisan. The narrative begins with a frantic scene that sets the stage for a thrilling investigation filled with suspense and intrigue. At the start of the novel, the suspense quickly escalates as Superintendent Narkom and his team arrive at a secluded location after hearing gunshots and cries for help. They discover a dead body, only to find that the murderer has seemingly vanished into thin air, leaving behind a trail of confusion. As the detective team works alongside Cleek, they intersect with various characters, including young Geoffrey Clavering, who has a complicated connection to the victim and his love interest, Lady Katharine. Amidst the search for clues and motives, the storyline deepens with themes of love, betrayal, and the elusive nature of truth, drawing readers into a compelling tale of mystery and deduction. (This is an automatically generated summary.)