Over the years, the Grunts have made more than a few enemies. But fortunately they're all safely behind bars. Or are they? There's been a prison break-out, and three of them are after REVENGE. It's time for the Grunts to go On the Run...This last book brings back some familiar faces from the series and solves a couple of mysteries too... 7+
Brings the series to a close with a bang!