The first time I read this book was when I at the age of 15 or so were looking for humourous books. I doubt that I never enjoyed a book so much as the first part of this series. The humor is outrageous and it is impossible to avoid laughing out loud. Imo, I find the first three books the best, but you'll surely enjoy all the five books. If you enjoy the books, try to pick-up the CDs with the radioshow, whatever they will cost, you won't regret getting them! Other books within the same category science fiction/humourous   Douglas Adams' Starship Titanic by Terry Jones Only Human by Tom Holt Red Dwarf by Grant Naylor The Galaxy Game by Phil Janes