The Just Men of Cordova by Edgar Wallace

"The Just Men of Cordova" focuses on the adventures and exploits of the 'Four Just Men'—a group dedicated to fighting injustice, often using methods outside the law. Set against the backdrop of early 20th-century Europe, the novel combines elements of mystery, suspense, and moral dilemma. The Just Men, while operating outside the traditional bounds of the law, maintain a strong moral code and seek to ensure justice is served in cases where the legal system fails.

The book, like others in the series, is known for its fast-paced narrative and intricate plotting, reflecting the social and political atmosphere of the time. Wallace's works were hugely popular in their day and continue to be read for their historical interest and engaging storytelling.