Adapted for the stage by Stephen Briggs, in this book the city of ankh-morpork is under threat from a 60 foot fire-breathing dragon, summoned by a secret society of malcontented tradesmen. Defending the city is the under...Adapted for the stage by Stephen Briggs, in this book the city of ankh-morpork is under threat from a 60 foot fire-breathing dragon, summoned by a secret society of malcontented tradesmen. Defending the city is the underpaid and undervalued city night watch.