'Silverview' (1981) by John le Carré

'Silverview' is a spy novel that blends themes of betrayal, morality, and personal loyalty. The story revolves around Julian Lawndsley, a former City trader who leaves London for a quiet life running a bookstore in a small seaside town. His peaceful existence is disrupted when he meets Edward Avon, a charismatic but enigmatic figure with a mysterious past. Avon claims to have known Julian's late father and draws him into his orbit.

As the story unfolds, it becomes clear that Avon is entangled in the world of espionage, with connections to British intelligence and a trail of secrets that implicate him in questionable activities. The narrative weaves between Julian’s growing unease, Avon’s shadowy dealings, and a parallel investigation by MI5, which uncovers complex questions about loyalty and betrayal.

The novel reflects le Carré’s hallmark style, layered characters, sharp dialogue, and moral ambiguity, while also being more introspective and personal, likely influenced by his own reflections late in life. 'Silverview' is a subtle, melancholic exploration of the price of secrecy and the limits of trust, providing a fitting coda to le Carré’s illustrious career.