Old Man's War

Brief Overview

Old Man's War by John Scalzi tells the story of John Perry, who decides to join the Colonial Defense Forces on his 75th birthday. These forces recruit elderly people from Earth, promising them rejuvenation and a chance to start anew in exchange for service in space. John and other recruits undergo a rejuvenation process, receiving new, young bodies with enhanced abilities. They are trained and sent to the front lines to protect humanity from various alien threats. During his service, John faces moral and ethical dilemmas and finds new friends and love. The book explores themes of aging, war, humanity, and personal identity.