The call came at 6 A.M. Karen Brennan's twenty-five-year-old daughter, Rachel, had been in a motorcycle accident. She was in a coma. Her CAT scan, the neurosurgeon said, was very, very ugly. Instantly, Karen Brennan's life of comfortable dailiness becomes "passionate necessary-ness." Cautioned that her daughter will not be the "same person," Brennan waits and hopes through weeks of intensive care, months of coma, and Rachel's determined efforts to walk again. The joy of Rachel's first words is followed by the discovery that she has a severe short-term memory deficit. Rachel cannot remember or...