The book is science fiction and it is about an imaginary world where the new inhabitants can have some fun. The two newly occupied downgraded planets were Planet One Drop and Planet Rabox.The world was in trouble because of a massive nuclear reactor meltdown just like Chernobyl but it was on a bigger scale, and then much else besides.As a timing of good faith, our planet earth was bailed out of their apparent demise by their alliance with the Aliens of Planet Rabox.An exchange program was initiated by Planet Rabox which became the building block for all three planets.The Rastronauts and the Untouchable people became the protagonist of this new space age.