The Three-Body Problem is a science fiction novel written by the Chinese writer Liu Cixin. The title refers to the three-body problem in orbital mechanics. It is the first novel of the Remembrance of Earth's Past trilogy, but the whole series is normally referred to as The Three-Body Problem. The trilogy's second and third novels are The Dark Forest and Death's End respectively. The first volume of The Three-Body Problem was first serialized in Science Fiction World between May...