Books like Old Man's War

Old Man's War is a military science fiction novel by American writer John Scalzi, published in 2005. His debut novel was nominated for the Hugo Award for Best Novel in 2006.

Old Man's War is the first novel in Scalzi's Old Man's War series. A sequel, The Ghost Brigades, was published in 2006, followed by two other books, The Last Colony (2007) and Zoe's Tale (2008). Another book in the series, The Human Division, was published as a serial and then collected in a novel (2013). The next book in the series, The End of All Things, was published in June 2015 as four novellas.

It was optioned by Paramount Pictures in 2011.

Old Man's War is about a soldier named John Perry and his exploits in the Colonial Defense Forces (CDF). The first-person narrative follows Perry's military career from CDF recruit to the rank of captain. It is set in a universe heavily populated with life forms, in which the spacegoing species compete for the scarce planets that are suitable for sustaining life. As a result, Perry must learn to fight a wide variety of aliens. The characters in Old Man's War have enhanced DNA and nanotechnology, giving them advantages in strength, speed, endurance, and situational awareness.