Greenmantle

In "Greenmantle," Richard Hannay, a South African mining engineer and war hero from Buchan's "The Thirty-Nine Steps," embarks on a perilous journey across war-torn Europe to uncover a German plot involving an Islamic messiah. Accompanied by allies John S. Blenkiron, Peter Pienaar, and the enigmatic Sandy Arbuthnot, Hannay navigates dangerous landscapes from Germany to Constantinople. As they confront adversaries like the sinister Stumm and the captivating Hilda von Einem, their mission holds the potential to sway the outcome of the First World War.