"Professor, I have no idea what you're talking about." Harry's act of playing dumb left Umbridge livid.
She was just about to say something else when the entire room shook again.
Although Umbridge had absolutely no idea what had happened, she knew it had to be something serious-and the sort of thing she would not like.
"Potter, this isn't over." Umbridge glared viciously at Harry, then hurried out the door, thinking spitefully that if she caught whoever had caused such a commotion, she would give him a thoroughly nasty detention.
Yet the moment she stepped through the doorway, another tremendous bang nearly knocked her to the floor.
Compared with what she had heard inside the room with the door shut, the sound was far louder out in the corridor.
"Who's there? Who is it?" Umbridge shouted angrily, then ran in the direction she thought the noise had come from.
Naturally, Harry was not about to stay there. He immediately got up and ran outside too. He still remembered what the twins had said about watching the show in the Great Hall.
As he ran all the way to the Great Hall, huffing and puffing, three more tremendous bangs rang out, each almost making the whole Castle shake.
Were George and Fred really going this big?
Harry was genuinely rather surprised. Over the past two years, he had focused most of his energy on the Potions production line and had not paid particularly close attention to the twins' development of joke products.
The twins were both outstanding at independent research and putting their ideas into practice, and Harry had provided them with an extremely broad source of inspiration-the Muggle world.
As a result, at least this year, the twins' joke-product business had gone from strength to strength.
But as for exactly