Proof of Concept — Kristine Kathryn Rusch

 …a gripping, well-paced plot and a victim backstory that quickly ups the emotional stakes. —Tar Vol …a nice twist on a locked-room mystery that makes good use of its setting to provide a ticking clock element. —Locus Magazine 36 hours until the interstellar cruise ship Radost arrives at the First Disembarkation Point.36 hours before all passengers can leave without consequence.36 hours for Orli, the ship's detective, to discover the killer of crewman Riley Kalb.A stunning thriller from one of the best science fiction writers in the business.