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Universe
JAG in Space
Jack Campbell · 2 series · 4 novels · 1 novella · 2003–2009
Space is a jurisdiction. Every watch stood aboard the USS Michaelson is logged, every order lawful until proven otherwise, and when something goes wrong out in the black there is no shore patrol to call — only the regulations, the chain of command, and whoever is willing to testify. This is military science fiction tried by the book: not the war story but the paperwork behind it, the court-martial that follows the disaster, the junior officer who must decide whether duty means obedience or the truth. The cycle follows Ensign Paul Sinclair, a green line officer saddled with collateral duty as his ship's legal liaison — a posting that keeps dragging him off the bridge and into the wardroom-turned-courtroom. Across four novels — A Just Determination, Burden of Proof, Rule of Evidence, and Against All Enemies — Jack Campbell (writing as John G. Hemry, a career naval officer himself) tracks Sinclair from raw watchstander to seasoned witness, each book built on an investigation and the trial that tests it, while a slow-burning attachment to fellow officer Jen Shen complicates every call. Expect no broadsides fired for spectacle; expect procedure rendered with the authority of someone who has actually stood the mid-watch. Begin at A Just Determination and read forward — the cases close, but Sinclair's career and conscience accrue in order.
Summary by Loreful, from public sources
- Genre
- Place
- Audience
Where to start
One book per branch.
Reading order
4 novels · 1 novella
✦ Curated by the Loreful team
The four-book Paul Sinclair series is the whole of this military-legal-thriller universe; a later stand-alone novella follows a different officer in the same setting.
The map
JAG in Space at the centre, 2 branches around it.
Stats
What this universe published, when, and what it is made of.
5 works · 2003–2009
Empty columns are silent years — nothing published.
See every work ↓By decade
- 2000s5
Shape
Mood
Grim and intense: 100% of this universe's placed works, the catalog's 46%.
this universe · the catalog · one dot = one book5 of 5 works carry a tone
Edges of the map
- Failure to Obeydarkest · brightest · calmest · most intense
The whole universe
Every work, three ways to look at it.
Series and publication data from ISFDB, CC BY 4.0. Branch grouping is derived, not curated.



