The Three-Body Problem is a mind-bending science fiction novel written by Chinese author Liu Cixin. It explores the idea of alien technology and its impact on humanity. The story follows a group of scientists who discover that Earth is under threat from an advanced alien civilization. As they unravel the mysteries of the alien technology, they must also grapple with the moral and ethical dilemmas it presents. With its intricate plot and thought-provoking themes, The Three-Body Problem has become a popular choice among science fiction enthusiasts.