The Three-Body Problem is a science fiction novel by Chinese author Liu Cixin. It is the first novel of the Remembrance of Earth's Past trilogy. It has won numerous awards and has been adapted into a movie and a video game.This discussion is to determine whether or not The Three-Body Problem is part of a trilogy. We can discuss the other two books in the trilogy, their plotlines and characters, and any other related topics. We can also discuss the movie and video game adaptations, and how they compare to the novel.