Ender's Game is a science fiction novel written by Orson Scott Card. Set in a future where Earth is under threat from an alien species, the book follows the story of Ender Wiggin, a young boy who is recruited into a military training program to prepare for a future war. As Ender navigates the challenges of the training, he discovers dark secrets about the true nature of the alien threat. Ender's Game is a thrilling and thought-provoking exploration of war, morality, and the consequences of our actions.