Vanished Messenger by Edward Phillips Oppenheim is a thrilling mystery novel that keeps the reader on the edge of their seat. The story follows the disappearance of a British diplomat, Sir Philip Ramon, while on a mission to Paris. As the protagonist, Mark Lanchester, tries to unravel the mystery behind Sir Philip's disappearance, he becomes entangled in a web of espionage, betrayal, and danger.

Oppenheim's writing is engaging and suspenseful, drawing the reader into the world of international intrigue and political deception. The plot twists and turns, keeping the reader guessing until the very end. The characters are well-developed and the dialogue is sharp and realistic, adding depth and authenticity to the story.

Overall, Vanished Messenger is a compelling and gripping read that will appeal to fans of classic mystery and suspense novels. Oppenheim expertly weaves together a thrilling tale of espionage and deceit that will keep readers hooked from beginning to end.

Book Description:
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.