The Loo Sanction by Trevanian

In this gripping thriller, a suave and skilled art historian is reluctantly drawn back into the world of espionage when he is coerced into a dangerous mission involving a sinister blackmail scheme. Set against the backdrop of the vibrant yet treacherous city of London, the protagonist must navigate a web of deceit, betrayal, and high-stakes intrigue. As he delves deeper into the underworld of art theft and international crime, he must rely on his wits and charm to outmaneuver a ruthless adversary and survive the deadly game of cat and mouse.

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