If I could, I'd rate it a twenty. The main character, Rincewind (BMcg Unseen University, failed.),is the guide to the first tourist in the history of the Discworld, who is from a place that everybody except deranged seamen and people considered to be complete lunatics ever believed in. The Counterweight Continent. Rincewind, being Ankh-Morporkian and fluent in almost every language on the disc(including Black Oroogu, the language with no nouns and only one adjective, which is obscene),can only speak to him in heathen Trob. This book is hilarious, and I highly advise you to either buy or read(or both) this book!