Ender's Game is a novel by Orson Scott Card that follows the story of a young boy named Ender Wiggin, who is recruited into a military training program to prepare for an impending alien invasion. The story explores themes of leadership, strategy, and the moral implications of war as Ender navigates the challenges of his training and the expectations placed upon him. As Ender rises through the ranks, he faces intense competition and isolation, ultimately leading to a shocking revelation about the nature of his training. The novel raises questions about the ethics of using children in warfare and the consequences of manipulation, making it a thought-provoking read for both young adults and adults alike.