Set in 1920s colonial India, The Secret Road by John Ferguson is a gripping tale of espionage, danger, and high-stakes intrigue. John Neville of the Indian Secret Service is sent to steal the legendary Bumali diamond—a symbol of rebellion that could ignite an uprising against British rule. As Neville infiltrates the Rajah’s domain, he faces betrayal, ancient loyalties, and deadly pursuit. Blending fast-paced action with moral complexity, Ferguson explores the tensions of empire, identity, and power. The Secret Road is a lost classic of colonial thriller fiction—rich in atmosphere, suspense, and historical insight.