This is the war diary of one of the " Hitler Youth " found by the author. Here we can follow, day by day, engagement of the panzer division in the heavy fighting of the Battle of Normandy. Included is the number of engaged tanks, losses and successes with important notes and apparatus comments. This book is a valuable document for those seeking true information on this battle. It is accompanied by a rich iconography of forty previously unpublished photos. It is an essential contribution to better understanding World War Two. Text in French