Drifter Prime is book four in the Dark Galaxy series. It marks the end of the first trilogy of books, Galaxy Dog, Iron Dart and Sun Chaser, and the start of a new trilogy that continues the lives of the heroes of the first three books, Knave and Altia. In the fist three books we saw a rebellion get off the ground, we saw Altia and Knave come together as a couple, and we saw the empire they were fi...