Orson Scott Card
About this Series
In this thought-provoking series of time travel from science fiction master Orson Scott Card, a group of scientists watches the past through a machine, seeking an answer that will save the world. War, plague, drought and famine have reduced humanity to a population of one billion. When a talented researcher discovers a possibility that might alter the course of history, questions arise: Can the past be changed? And even if it will save the world, can it be right to wipe out a timeline of hundreds of years?