The "Great" War was appalling. She mowed so many men, young and old; brothers, fathers, fiancés, husbands ... For those who have lost a loved one, opens the long period of mourning. The author chooses five "cases"; five "attitudes" of mourning; Meticulously, with extraordinary precision and a strong empathy for the bereaved, the author says, historian and man of heart, five courses of mourning. He describes attitudes, "strategies" intimate that each is making to try the impossible: accept the loss of one we loved.