Ender's Game, written by Orson Scott Card, is a gripping science fiction novel 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 an elite military training program to prepare for the next alien invasion. As Ender navigates the challenges of the training, he discovers his own extraordinary abilities and faces moral dilemmas that question the nature of war and humanity.