Just then,
Nigel jumped up and and pointed at the blackboard.
'The chalk' he shouted. 'Look at the chalk! Was true! A piece of chalk was moving across it.
'It's writing something!'screamed Nigel.
And it was.
Agatha...
'Who's doing it?' shouted Miss trunchbull, when she saw her name. She dropped Wilfred on his head.
Agatha, this is magnus...the chalk continued to write