The Three-Body Problem

The Three-Body Problem is the first novel in the Remembrance of Earth's Past trilogy by Chinese author Liu Cixin. Set against the backdrop of China's Cultural Revolution, a secret military project sends signals into space to contact aliens. An alien civilization on the brink of destruction, the Trisolarans, captures the signal and plans to invade Earth. The story weaves together physics, astronomy, and political intrigue, eventually winning the Hugo Award for Best Novel in 2015.