Pirandello meets Star Trek. Scalzi takes an interesting premise and has a great deal of fun with it as the "below decks" crew of a starship in the future start to wonder why so many of them suffer horrible deaths while the bridge crew remain unscathed. The crewmen and -women decide to investigate, and the ensuing romp gives Scalzi plenty of opportunity for humor. A fun read with some poignant moments as the plot develops.