Shadow of Heaven
Dark Matters, Book 3: Shadow of Heaven.
The trilogy draws to a conclusion as Voyager races against time to gather a deadly contaminant. Whose side are the Romulans on? Where is the missing piece? And what surprising figure from the ship's past holds the key to the fate of the universe?
Star Trek: Voyager (numbered novels) consists of twenty-one works. The current recommended reading order for the series is provided below.
Main series Star Trek: Voyager