Ten years ago, Susan Petersen Avitzour ’76 lost her 18-year-old daughter Timora to leukemia, after a six-year struggle. In her new memoir, And Twice the Marrow of Her Bones (ZmanMa), Avitzour deals with a number of profound personal, philosophical, and spiritual questions which face many bereaved parents. Using both narrative and a personal and philosophical journal, she takes the reader up close to the long years of her daughter’s illness and into her own emotional, intellectual, and spiritual journey after her child’s death. She addresses topics that range from food to fun to forgiveness, from pain to purpose to prayer—and…