They've battled mind-controlling aliens and cyborg mercenaries, but now Quinn and crew are facing their toughest opponent yet: the government that sent them to prison. Now that a viral video has made them world famous, our heroes are in the catbird seat. But schemes, plots and surprises lurk around every corner, and it's enough to make them think about giving up the fight. Meanwhile, enemies team up in an unholy alliance on Oberon One to bring the alien armada into our solar system. With humanity's future hanging in the balance, will the Jarheads heed the call of duty? If you don't know the answer, you haven't been paying attention. Your favorite hard luck heroes, the Jarheads of Oberon, are back in a gripping third instalment that you'll need to read right down to the very last sentence!