Stirling Deane has sold the Little Anna Gold Mine which he discovered in South Africa. The sale has made him a rich man and the head of the company to which he sold the mine. A former acquaintance from his days in South Africa has shown up and claims that he has the original deed to the mine and that he is in fact the owner of the mine. Shortly after a meeting with Deane, the man is found murdered and the deed he claims to have had is missing. Another man which Deane hired to negotiate the return of the deed to Deane is accused of the murder, tried, and sentenced to death. What has become of the lost deed?

Havoc occurs when European countries are discussing covert alliances. The story revolves around the creation of a secret alliance between Germany, Russia, and Austria. The English hope to split Russia away by holding the Czar to his previous public commitments, but they need proof of what was done to create the pressure. All the pressures that lead to WWI are there, but the intrigues and secret treaties create an interesting background to the twists and turns of the plot.

A beautiful, intelligent young woman – is she a traitorous spy or a patriot? An aristocratic soldier permanently injured during the war – is he a patriot or is there more to him than meets the eye? A clandestine meeting on a beach – espionage or peace movement?

A conference of European nations is being held in the Hague. England has not been invited to attend. Some think war is about to break out. Mr. John P. Dunster, an American, is traveling to the Hague with an important document that may prevent the outbreak of war when he mysteriously disappears after a train wreck in England. Richard Hamel is asked by the British government to attempt to solve the mystery of Dunster’s disappearance and prevent the outbreak of war in Europe.

Monsieur Lecoq is a captivating mystery, historical and love story: Around 11 o'clock, on the evening of Shrove Sunday 18.., close to the old Barrière d'Italie, frightful cries, coming from Mother Chupin's drinking-shop, are heard by a party of detectives led by Inspector Gévrol. The squad runs up to it. A triple murder has just been committed. The murderer is caught on the premises. Despite Gévrol's opinion that four scoundrels encountered each other in this vile den, that they began to quarrel, that one of them had a revolver and killed the others, Lecoq, a young police agent, suspects a great mystery...