Time and Again Author:Clifford D. Simak THE LEGACY OF MANKIND’S FUTURE ... — Asher Sutton was an agent for Earth until he returned from an assignment to discover that his own people were trying to assassinate him ... On a distant planet he discovered a secret that would make mankind realize its place as one among the enlightened species that inhabited the galaxy. But there ... more »were those who wouldn’t be satisfied unless Earth alone ruled the stars, and to these fanatics, Sutton was a dangerous man.
To the far reaches of the galaxy, and from Earth of the recent past to centuries hence, his enemies pursued him, determined to keep him from writing a book that was destined to change mankind’s future. Sutton’s only allies were robots so human that they were feared by the xenophobic faction as usurpers. Alone among his kind, tortured by the knowledge that his next move could destroy mankind, Sutton sought refuge through time and space, never knowing when his pursuers would find him and destroy that which he had yet to produce.« less