In this thrilling espionage novel, Carruthers is lured into a seemingly idyllic Baltic sailing trip by his friend Davies, only to find himself entangled in a dangerous conspiracy. As they navigate the treacherous waters, they uncover a sinister German plot to invade Britain, with the menacing Medusa and its crew hot on their trail. With time running out, Carruthers and Davies must rely on their wits and courage to thwart the impending threat.

Why You Should Read?

• A groundbreaking spy novel that set the stage for future masters of the genre.
• A gripping tale of adventure and intrigue set against the backdrop of early 20th-century espionage.
• Features a compelling plot with unexpected twists and a race against time.
• Perfect for fans of classic thrillers and those interested in historical espionage.