Elli Friedmann I Have Lived A Thousand Years documents Elli's experiences at concentration camps during World War II. It describes several instances where Elli showed courage, such as hiding a book, helping her injured mother escape the infirmary, and confronting an SS woman who was hurting her mother. Elli endured hardships like beatings and humiliation but continued fighting for survival and protecting others. She ultimately achieved freedom after overcoming much suffering.