Redemption of Time (The Three Body Problem Series Book 4)

At the end of the fourth year of the Crisis Era, Yun Tianming died. He was flash frozen, put aboard a spacecraft and launched on a trajectory to intercept the Trisolaran First Fleet. It was a desperate plan, a Trojan gambit almost certain to fail. But there was an infinitesimal chance that the aliens would find rebooting a human irresistible, and that someday, somehow, Tianming might relay valuable information back to Earth. Now, after millennia in exile, Tianming has a final chance at redemption. A being calling itself The Spirit has recruited him to help wage war against a foe that threatens the existence of the entire universe. a challenge he will accept, but this time Tianming refuses to be a mere pawn... He has his own plans.