Wellington's clash with Massena was one of the most remarkable contests between two commanders in the Peninsular War. These two formidable generals carried on a campaign of maneuver, battle and attrition across Spain and Portugal in 1810 and 1811 which had a decisive impact on the outcome of the war. Wellington's reputation was enhanced, Massena's was ruined. David Buttery's close analysis of this extraordinary encounter offers a penetrating...