The organization Oeuvre de secours aux enfants (OSE, or Society for Assistance to Children) saved thousands of Jewish children in France from deportation to Nazi extermination camps. These children were either hidden among non-Jewish families, placed in the 18 children’s homes run by the OSE, or selected to escape clandestinely to the neutral countries of Switzerland or Spain. As a result of the efforts of the OSE and like-minded organizations, both Jewish and non-Jewish, about 86 per cent of the Jewish children in France survived the Holocaust. One of the outstanding representatives of the OSE was Vivette Samuel, the author of this memoir. In her book, she describes how, at the age of 22, she accepted the position of resident social worker in the camp of Rivesaltes, set up by the Vichy government to intern foreign undesirables . Her daunting task was to obtain the interned parents’ written consent that would permanently separate them from their children so that the latter would live. In a period of six months, she was thus able to liberate nearly 400 foreign-born children from the camp. She brought to this job great intelligence, linguistic fluency and a character both deeply compassionate and steely in its resolution. She applied these qualities to the other tasks she performed for the OSE outside the camp after May 1942 and repeatedly risked arrest by the Gestapo. Elie Wiesel and Charles B. Paul were among the children helped by the OSE. Their contributions to this book are a tribute of gratitude to Vivette Samuel and her heroic colleagues.