Two months to the day before the surrender of Third Reich, the Germans launched from Jersey a night raid on Granville, old city corsair chosen by the Allies to accommodate cargo ships bringing Britain coal for in the French population. A hundred and fifty dozen boats will participate in this operation that has three main objectives: making the port unusable, grab one or more vessels refueling, destroy all buildings lying in the harbor and we could bring. Participants are trained in the largest secret Guernsey. All exercises are done earth, men learning to identify with a relief-map of Granville. The Germans will stay put half past one, as expected. The time to make important destruction, seize a freighter carrying 112 tons of coal and to fifteen prisoners including several American officers caught in bed in gallant company. If the raid, one historian has called naval hold-up was not used to much about the military, he made history by the audacity of its design and effectiveness of its participants. So deserved to be told, seventy years later, vividly, handheld camera in an illustrated book many period photographs, maps, plans and infographics. Text in French