Zac Harrison Bücher

John's class is being examined by the mysterious Scholars of Kerallin. If that isn't stressful enough, a former student with a grudge arrives unexpectedly and puts them all in danger.

It's competition time at Hyperspace High as the students build robots to compete in the annual Robot Warriors contest. John and Kaal are in with a chance of winning, but will competition get in the way of friendship?

It's nearly time for the annual Space Spectacular show, and John and his friends are preparing a battle demonstration for the students' parents. But when the school's battle droids go on the attack, the students must work together to save the day.

John learns that museums in outer space are anything but boring when his class travels to the museum planet of Archivus Major. But the field trip goes badly wrong when two rival tribes of aliens are accidentally released from cryogenic storage.

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