Limmud Seattle 2019 presenter Karen Treiger discusses the writing process for her book "My Soul is filled with Joy: a Holocaust Story." She talks about wanting to write the story about her in-laws Sam and Esther Goldberg for a long time then finally quitting her job and devoting three years to making it happen. This included research that led to meeting the Stys family who saved Sam and Esther, and connecting with a long-lost cousin Yusuf 'Idu' Lys. Interview by Tamar Libicki.