Purity Hall is an 'Angel of Comeuppance' but she doesn't know it. When she agrees to be the housekeeper for the Klamdyke family she only means to help her scientist husband test his anti-mouse formula. Instead zany events lead to her showdown with the 'dragon lady'(Mrs. Klamdyke) who is about to get her 'comeuppance'. This family comedy is written in script-book format and the dialogue is witty and fresh. It is ideal for interactive group reading.