Partner in SurvivalTim and his sister Claire could not be more different. She is wise from automatic writing. He is an astrophysicist. She possesses absolute knowledge. He is a relativist, never sure of anything. Yet they have both endured the same family tragedy until she makes a startling discovery. At least, she thinks she does. Claire retreats, seeking the guidance of her channeled sprits. But her brother must investigate, stumbling into a web of elusive clues, lies