This book is about 2 girls named Agatha and Sophi. Agatha was a witch, and Sophi was good. They were friends. Agatha was ugly and mean. Sophi was pretty and kind. But then they heard that the school master was coming. ( The principal at the school from Good And Evil. ) He could see if you were good or evil by looking at your hart. And he came every now and then to find someone who is 100% evil, and to find someone who is 100% good. The parents don't want there children to be taken. Because during the night when he comes, he looks for those 2 children and kidnaps them, then he takes him to the school of good and evil. Sophi wants to be kidnapped, but Agatha doesn't. That night they get kidnapped and brought to the school of good and evil. Sophi accidentally gets put in the evil school, and Agatha gets put in the school of good!