There is a mystery at Odd Street School. The school bell starts to ring at midnight. It rang more than the twelve times that it should have for midnight. It happened again on another night and it is the talk of the school. Who or what is ringing the bell? What is the glowing figure in the bell tower? Agatha and her friends have a mystery to solve.

Told from the point of view of Agatha with an authentic voice. The text is broken up with black and white sketches that add to story. This book would appeal to those looking for a mystery in a short chapter book.