Old Man's War Books in Order

When 75-year-old John Perry enlists in the Colonial Defense Forces, he leaves Earth behind for a war he does not understand. Given a new body and a new life, he is thrown into brutal alien conflict and hard questions about identity and sacrifice.

A short Old Man's War universe piece that frames John Perry's experience as a public Q and A. The format is playful, but it also highlights what soldiers can say, what they cannot, and what gets lost when war becomes a media story.

Special Forces soldiers called the Ghost Brigades are grown from human DNA and sent on missions regular troops cannot touch. A new recruit must hunt down a traitor whose secrets could doom humanity, while figuring out who he really is.

John Perry and Jane Sagan are pulled from the battlefield and tasked with leading a new colony, a job with more politics than bullets. On an unfamiliar world, they must protect their people while navigating forces that would rather see the colony fail.

A set of diary entries from Jane Sagan, offering a personal window into the Old Man's War universe between major events. It blends battlefield moments with quieter reflections on loyalty, loss, and how a soldier stays human while doing inhuman work.

After a political coup on an alien world, a Colonial Union envoy is left to negotiate in the uneasy aftermath. It is a short Old Man's War universe story about diplomacy under pressure, and the compromises that come with trying to keep a peace.

A parallel telling of The Last Colony through the eyes of Zoe, a teenager growing up inside the Colonial Union's strange new home. She faces danger, first contact, and hard moral choices, while trying to figure out what kind of person she wants to be.

A linked set of episodic missions in the Old Man's War universe, following the Colonial Union's Diplomatic Corps as it tries to keep human space from fracturing. Lieutenant Harry Wilson and his team handle crises where negotiation can be as lethal as war.

A four-part continuation of the Old Man's War universe that follows multiple narrators through a period of escalating political breakdown. As alliances strain and institutions crack, the characters fight to keep people alive, and to stop a bad situation from becoming the end.

Ten years after the last big conflict, a fragile peace in the Old Man's War universe is threatened by a civil war among the powerful Consu. Gretchen Trujillo joins a mixed team sent to prevent catastrophe, and discovers the stakes are bigger than anyone admits.