Old Man's War, written by John Scalzi, is a thrilling space war science fiction novel that follows the story of John Perry, a 75-year-old man who enlists in the Colonial Defense Forces to fight against alien species in outer space. In this future world, elderly individuals are given new, enhanced bodies to serve as soldiers in the interstellar war. As John embarks on his new life as a soldier, he encounters dangerous enemies, forms unexpected alliances, and discovers the true nature of the war he is fighting.
