Ender's Game is a science fiction novel written by Orson Scott Card. It tells the story of Andrew 'Ender' Wiggin, a young boy who is recruited by the military to train for a future alien invasion. As Ender navigates the challenges of his training, he becomes a strategic genius and a key player in the fight against the alien race known as the Formics. Ender's Game is known for its exploration of morality, leadership, and the consequences of war.