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 species known as the Formics. The story follows Ender Wiggin, a young boy who is recruited into a military training program to prepare for a future alien invasion. As Ender progresses through the training, he faces numerous challenges and moral dilemmas. The book explores themes of leadership, empathy, and the consequences of war. Ender's Game is a classic in the science fiction genre and has won multiple awards, including the Hugo and Nebula Awards.