"Timescape" by Gregory Benford is a science fiction novel that explores the concept of time travel and its consequences. Set in two different time periods, the story follows a group of scientists who discover a way to send messages back in time in an attempt to prevent an environmental catastrophe. As they struggle to communicate across time, they face numerous challenges and ethical dilemmas, ultimately raising questions about the nature of time and the impact of human actions on the future.
The 3928th greatest book of all time