Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: Hilarious Plot Twists

Summoning a djinn is a complicated feat that only magicians dared to attempt... that is, until Kitty JonesThe third book of the Bartimaeus Trilogy, Ptolomy's gate, takes twists and turns as it tells the story of three main characters: Bartimaeus,a forth level djinn with contempt for magicians; John Mandrake, a magician in a high place with a soft spot for his lowly servants; and Kitty Jones a supposedly dead commoner with a not so common ability to do magic.The characters struggle to uncover (and foil) a plot by demons to destroy Great Brittain.An interesting fantasy plot with action,adventure,and a sarcastic djinn makes this book a must read.