Terry Pratchett's WITCHES ABROAD

It seemed an easy job After all, how difficult could it be to make sure that a servant girl doesnt marry a prince But for the witches Granny Weatherwax, Nanny Ogg and Magrat Garlick, travelling to the distant city of Genua, things are never that simple Servant girls have to marry the prince. That's what life is all about. You cant fight a Happy Ending. At least up until now