Where to Start with John Scalzi: A Reading Guide
Where to start with John Scalzi — whether to begin with Old Man's War or The Ghost Brigades. A complete reading guide to the Hugo Award-winning science fiction author.
John Scalzi (born 1969) is the American science fiction author whose debut novel Old Man’s War (2005) — originally posted as a free web serial before being published by Tor — became a major science fiction bestseller and launched one of the most popular military science fiction series of its decade. Scalzi has won the Hugo Award for Best Novel for Redshirts (2013) and serves as a gateway author for many new science fiction readers through his accessible, witty prose style and his willingness to engage serious ideas through entertaining stories.
Where to Start: Old Man’s War (2005)
The essential Scalzi — and one of the most entertaining military science fiction novels of the past twenty years. John Perry is a retired advertising writer in a small Ohio town. On his seventy-fifth birthday — the day his wife Jane died ten years before — he enlists in the Colonial Defense Forces, which only accepts recruits aged seventy-five or older and offers them new, enhanced bodies in exchange for military service.
What Perry receives is a body grown from his own cells at age twenty, enhanced with additional muscle density, improved reflexes, green skin that photosynthesises for extra energy, and enhanced sensory capabilities. He and his fellow recruits — fellow retirees — are then thrown into interstellar warfare against alien species fighting humanity for the same habitable planets in a genuinely crowded galaxy.
The novel’s central question is philosophical: is the person who wakes up in the new body John Perry, or is he a different person who merely has Perry’s memories? Scalzi takes the question seriously while keeping the story moving at pace. The aliens he invents are genuinely varied — some incomprehensible, some pitiable, some terrifying — and the colonial military culture Scalzi constructs has the lived-in quality of fiction by authors who’ve thought carefully about how institutions actually work.
For readers new to science fiction, Old Man’s War is an ideal starting point: immediately engaging, conceptually interesting, and funny in ways that don’t undermine its serious concerns.
The Ghost Brigades (2006)
The direct sequel — focusing on the Special Forces soldiers grown from dead recruits’ DNA. Deepens the ethical questions of the first book; must be read after Old Man’s War. The series continues with The Last Colony and beyond.
Reading John Scalzi
Begin with Old Man’s War — it is his debut and the only starting point. Read The Ghost Brigades directly after; the two books form the core of the Old Man’s War series.
For the full John Scalzi bibliography, reviews, and biography, visit the John Scalzi author page on Editors Reads.
Affiliate disclosure: Links to Amazon on this page are affiliate links. We earn a small commission at no extra cost to you.
Frequently Asked Questions
Where should I start with John Scalzi?
Old Man's War (2005) is the only starting point — the first novel in the Old Man's War series and Scalzi's debut, following a seventy-five-year-old widower who enlists in an interstellar military force fighting aliens across the galaxy by receiving a new, enhanced young body. One of the most accessible and entertaining military science fiction novels of its era; The Ghost Brigades is its direct sequel.
What is Old Man's War about?
Old Man's War follows John Perry, who at seventy-five enlists in the Colonial Defense Forces — the military arm of Earth's colonial expansion — as he and other elderly volunteers are promised new, enhanced bodies in exchange for service. What follows is a military science fiction story that engages seriously with questions of identity (are you the same person in a different body?), mortality (the elderly recruits face death in new bodies after a lifetime of aging), and the ethics of colonial expansion across a galaxy full of species fighting for the same habitable planets. Influenced by Heinlein's Starship Troopers but more morally ambivalent.
What is The Ghost Brigades about?
The Ghost Brigades (2006) is the direct sequel to Old Man's War — focusing on the Special Forces soldiers of the CDF, who are grown from the DNA of dead recruits and trained from birth for combat. When a scientist defects to an alien alliance, a Special Forces soldier grown from the scientist's DNA must investigate. The novel deepens the ethical questions of the first book about identity, consciousness, and the morality of the colonial project.
Are Scalzi's novels accessible to readers new to science fiction?
Scalzi is widely recommended as an entry point to science fiction for readers new to the genre — his prose is direct and witty, his plots are well-paced, and his concepts are explained with clarity rather than assumed knowledge. Old Man's War is particularly accessible: it begins in an entirely familiar world (a small town in Ohio) before expanding into an alien war. His later novel Redshirts (Hugo Award winner) is even more accessible for readers who have some Star Trek familiarity.
