Screech! Some major interference is coming through on Walden's hearing aid. But it's not the local radio station - it's a cry for help from the alien colonists called Arrok! Their home has been blasted apart by an asteroid. Can Mr K and his students help? Will the same thing happen to Earth? And will the citizens of Arrok demand that Dani stay and serve as their leader? There's never a dull moment in Mr Kazarian's spaceship . . . er, library! A science-fiction graphic adventure with lots of actual science - and lots of fun!