Spy turned art restorer Gabriel Allon is in Umbria, when shocking news arrives from London. A Russian defector who saved his life has vanished without a trace. British Intelligence suspect he was a double agent, but Allon knows better.

Binding: Paperback;480 pages; Publisher: Penguin Books Ltd; Classification: Crime and mystery fiction; Weight: 456 g; Dimensions: 197 x 130 x 27

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