A Pale Horse (Inspector Ian Rutledge Series #10)

In the ruins of Yorkshire's Fountains Abbey lies the body of a man wrapped in a cloak, the face covered by a gas mask. Next to him is a book on alchemy, which belongs to the schoolmaster, a conscientious objector in the Great War. Who is this man, and is the investigation into his death being manipulated by a thirst for revenge?

Meanwhile, the British War Office is searching for a missing man of their own, someone whose war work was so secret that even Rutledge isn't told his real name …