This book is a thrilling novel about international espionage and intrigue. Edward Phillips Oppenheim was a prolific writer of suspense and spy novels in the early 20th century, and this book is one of his best. It follows the adventures of a British spy who's tasked with retrieving a valuable diamond from a foreign power. This book is a must-read for anyone who's a fan of spy novels or classic pulp fiction. This work has been selected by...