SINOPSIS DEL LIBRO

<p>On the brink of the First World War, Sherlock Holmes emerges from retirement for one last and critical mission. Living quietly in Sussex, the great detective is called upon to face an international spy whose schemes could endanger Britain's security. Joined once again by Dr. Watson, Holmes matches wits with an enemy of extraordinary cunning. This tale serves both as a patriotic drama and a poignant farewell to the legendary detective.</p>...Seguir leyendo