Nick Butterworth is a staple author for Year 1 classes and has produced amazingly engaging work, so it has come as no surprise that this book in particular was warmly received in various classes I have chosen to read it to.
With special emphasis upon PSHE (team work, cooperation, consideration for others and acceptance of different social and cultural backgrounds), there is something for the majority of children to become enthralled with. The end pullout page is also an extra special touch that can even receive gasps from unsuspecting pupils!
The book lays very clear foundations to discuss any number of topics across the curriculum, including Science (space, habitats, forces), Literacy (styles of language, what makes character's name sound alien?) Art and, as mentioned, PSHE. For whole class discussion, it is best suited to KS1.