<p>William Le Queux's 'The Day of Temptation' is an espionage narrative woven through the intricate streets of London, juxtaposing the Edwardian era's quiescent charm with the latent tension of international intrigue. The novel employs a potent mix of suspense and drama, as the angst ridden Italian protagonists, Arnoldo Romanelli and Dr. Fillipo Malvano, navigate the intrigue-laden waters stirred by the enigmatic Lady Vittorino's death. Le Queux'...