Title: The End of Eternity Author: Isaac Asimov First published in 1955 I read the 2000 re-issue by Voyager His name is Andrew Harlan. He is an Eternal: a member of a highly exclusive organisation. He is a Technician, and his job is to range through past and future centuries, monitoring and even altering Time's myriad cause-and-effect relationships. The Reality Changes Harlan initiates may affect the lives of up to fifty billion people. Above all, therefore, a Technician must be dispassionate. An emotional make-up is a distinct handicap. But when he meets Noÿs, Harlan falls victim to a phenomenon older than Time itself- love. It is then that he realizes that years of self-discipline must be cast aside. He must use the awesome technique of the Eternals to twist Time so that he and Noÿs might survive - together. Would you kill Baby Hitler to prevent World War II? It's a classic example of questions that philosophers like to ask to illustrate the issues of morality ...