DOWN A DARK HALL BY: LOIS DUNCAN

This book is really creepy. It is all about a strange school with four girls and five teachers. The protagonist is a normal girl named Cindy. The scary part of this novel is that in the school, at night strange things happen. A night two girls are taken away from the school and found dead in the forest. Three teachers died of heart attack in the same night. The police started taking big notice of the last events. Slowly but continuously every single policeman was killed in a very cruel way. The military forces decide to close the school and keep all of the people that lived in it the last critical days under observation. After one month Cindy wen't back to her family and her life from that moment on had switched back to the good way. All the last events were cause of a crazy guy that lived in the school without anybody knowing. He was the killer!!!