When a valuable naval treaty vanishes, the British government must rely on Sherlock Holmes to find and save it before it falls into the wrong hands. Sherlock Homes must rely on his signature skills of deduction when the search for a valuable naval treaty is left up to him. Setting out to solve the case that has baffled the Foreign Office and Scotland Yard, Holmes begins to unravel a complex web of deceit and treachery. Join the legendary detective and his loyal confidant, Doctor Watson, as they navigate a labyrinth of false leads and dead ends in this gripping tale. First published in 1893, ‘The Naval Treaty’ is one of Arthur Conan Doyle’s most thrilling mysteries and is not to be missed by fans of detective fiction. This edition features a specially commissioned introduction.