Ender's Game is a science fiction novel written by Orson Scott Card. The story is set in a future where humanity is at war with an alien species known as the Formics. The protagonist, Ender Wiggin, is a young boy who is recruited into a military training program to become a commander. Ender's Game explores themes of war, leadership, and the moral implications of violence. It is a thought-provoking and action-packed story.