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A Long Finish by Michael DibdinRead about the other entries on the list.
Detective Aurelio Zen is sent to northern Italy to investigate the murder of a leading wine maker. The vineyard owner's son has been jailed for the murder and a rich film director (who is a wine connoisseur) wants him exonerated so that he can supply the next year's special vintage. Zen usually quaffs Venetian plonk, but now discovers the subtler delights of Piedmontese wine – and solves the crime.