Three-body problem series 3 books collection set - the dark forest, death's end. Description:- The Three-Body Problem 1967: Ye Wenjie witnesses Red Guards beat her father to death during China's Cultural Revolution. This singular event will shape not only the rest of her life but also the future of mankind. Four decades later, Beijing police ask nanotech engineer Wang Miao to infiltrate a secretive cabal of scientists after a spate of inexplicable suicides. Wang's investigation will lead him to a mysterious online game and immerse him in a virtual world ruled by the intractable and unpredicatable interaction of its three suns. The Dark Forest Crossing light years, they will reach Earth in four centuries' time. But the sophons, their extra-dimensional agents and saboteurs, are already here. Only the individual human mind remains immune to their influence. This is the motivation for the Wallfacer Project, a last-ditch defence that grants four individuals almost absolute power to design secret strategies, hidden through deceit and misdirection from human and alien alike. Three of the Wallfacers are influential statesmen and scientists, but the fourth is a total unknown. Death's End Half a century after the Doomsday Battle, the uneasy balance of Dark Forest Deterrence keeps the Trisolaran invaders at bay.Earth enjoys unprecedented prosperity due to the infusion of Trisolaran knowledge and, with human science advancing and the Trisolarans adopting Earth culture, it seems that the two civilizations can co-exist peacefully as equals without the terrible threat of mutually assured annihilation. But peace has made humanity complacent.