Three Body Problem

Half a century after the Battle of Armageddon, the intimidation of the Dark Forest holds off the Trisolaran invaders. It was an uneasy balance, but the infusion of Trisolalan knowledge sparked an era of unprecedented prosperity on Earth. As human science progressed and the Triassic people accepted Earth's culture, it seemed that the two civilizations could coexist peacefully as equals without the dire threat of mutual destruction. But has peace also made humans complacent? Cheng Xin, an aerospace engineer from the 21st century, woke up from hibernation and entered this new era. She brings knowledge of a long-forgotten project that dates back to the beginning of the Three-Day Crisis, and her presence could fatally upset the delicate balance between the two worlds. The universe is a dark and dangerous place, devoid of kindness and emotion. Will mankind reach for the stars or die in the cradle?