When John Riley gets on the wrong bus he finds himself at Hyperspace High, an elite academy on an enormous spaceship, where his classmates are aliens, and the penalty for failing is harsh.

The students are preparing a battle demonstration for the annual Space Spectacular show, but depsite being chosen team leader John is depressed that his parents will not be there -- but bigger problems loom when Mordant tries to sabotage his friendship with Emmie, and the shcool's battle droids go crazy. -- provided by publisher.

It's the end of the semester, and the students are in the grip of revision fever...until a real fever takes over. The only possible cure lies in a distant nebula, but with the whole school under quarantine, who will be brave enough to go and get it? - provided by publisher.