Demon Dentist is a book written by David Walliams  . The main character is a boy called Alfie he goes to a local school and finds a friend called Gabz she has long very curly hair and Alfie has a little bit of a crush on her . Alfie has a dad who is in a wheelchair and he is unable to look after him very well and his mum is dead. Alfie has a social worker called Winnie and she’s quite plump and she always wears brightly coloured clothes . Lastly there is the dentist called Miss Root she is tall and slim with an evil looking grin Miss Root has a called Fang which protects her from danger . Miss root is an evil dentist and one day she visits Alfie and Gabzs school and gives every pupil a tube of toothpaste and suddenly …………….. if you want to read this book I would defiantly recommend it to the age of 7-13  the books theme is a horror/adventure because some of the parts are creepy and spook you out and some of the parts they are trying to find who the dentist is and why she is doing this …………… this book is set in the modern period and is quite up to date . The book tells a story about a 12 year old boy called Alfie who loses his teeth because Miss Root gives out sweets which rot his teeth and from that day Alfie is suspicious of Miss Root and he is determined to find out more about the evil Miss Root ………………………… The book is a funny and creepy story I think it is WARNING IF YOUR DENTIST IS CALLED MISS ROOT AND HAS A CAT CALLED FANG I WOULD INSISTS YOU TO RUN FOR YOUR LIFE BECAUSE YOU DONT KNOW WHAT SHE COULD DO TO YOU !!!!!!!