Ender's Game, Volume 1 by Christopher Yost

In a future where Earth faces the threat of annihilation from an alien species known as the Formics, a brilliant young boy named Ender Wiggin is recruited into a rigorous military training program designed to prepare him for command. As he navigates the challenges of Battle School, Ender must confront his own fears and insecurities while mastering complex war games that simulate real battles. His strategic genius and ability to empathize with his enemies set him apart, but the weight of leadership and the moral implications of his actions weigh heavily on him as he is groomed to become humanity's ultimate weapon against the alien threat.