Planet X91 The Plague — mark Stewart

Florian, Josh and Clay have a new problem. The plague they were warned about is arriving to squash their recent victory. After the Piper spaceship was stolen from the aliens they finally succeeded in tracking the Piper to planet X91. They have tried unsuccessfully to get it back. The aliens have sent thousands of tiny robotic winged creatures to swarm the area. Their goal; destroy the spaceship. Discovering the Piper's last secret our three teenager's hopes of success are on the rise. Minutes before the battle is to begin Doc. Henry informs the trio the name of the culprit who placed them in the maintenance shuttle in the first place. Not one of the teenagers ever thought it could have been one of them. Just when they think they have won the final war their battle to save themselves and the Piper is just beginning.