The Three-Body Problem is an award-winning space thriller mystery book written by Liu Cixin. Set against the backdrop of China's Cultural Revolution and the present day, the story follows a group of scientists as they uncover a secret military project and a looming alien invasion. With its intricate plot, rich cultural references, and mind-bending scientific concepts, The Three-Body Problem offers a unique blend of historical fiction, hard science fiction, and thrilling mystery. This book has gained international acclaim for its thought-provoking exploration of humanity's place in the universe.