What is the setting of the ruby in the smoke?

"The Ruby in the Smoke" is set in Victorian London, a city characterized by its stark contrasts between wealth and poverty. The story unfolds in the mid-19th century, showcasing the dark, foggy streets, bustling markets, and opulent homes of the affluent, all while highlighting the grim realities of the lower classes. The atmosphere is rich with intrigue, danger, and the looming presence of the British Empire. This backdrop serves to enhance the novel's themes of mystery and adventure as the protagonist navigates a world filled with secrets and deception.