In this four-story box set, Kate Stewart, Osgood and the UNIT team confront an alien invasion by the Nestene Consciousness and its army of plastic Autons...

1. Vanguard by Matt Fitton While UNIT attend a 'skyfall' incident under the eyes of watchful journalists, reclusive billionaire Simon Devlin is planning a product launch that will change the world...
2. Earthfall by Andrew Smith Lieutenant Sam Bishop and Osgood are deployed to the Gobi desert in search of a Nestene energy unit. But there are Autons in the sand dunes...
3. Bridgehead by Andrew Smith Captain Josh Carter has gone undercover inside Devlin Futuretech. But his safety is jeopardised by the activities of investigative journalist Jacqui McGee.
4. Armageddon by Matt Fitton As UNIT leads the fightback on every front, every continent, against an implacable army, Kate Stewart must look to the past for some clue to defeat the plastic menace.