Ender's Game is a science fiction novel written by Orson Scott Card. It is set in a future where humanity is at war with an alien race known as the Formics. The story follows Ender Wiggin, a young boy who is recruited into a military training program to become a commander in the war against the Formics. As Ender progresses through the training, he faces numerous challenges and learns the true nature of the war. Ender's Game is a thrilling and thought-provoking novel that explores themes of war, leadership, and the ethics of violence.