When she reaches the end of the book, the ceiling falls in.

My first wild impression was that the ceiling had fallen in.

"I feel the stress here; one hard knock, and the ceiling will fall!"

Nothing's going to protect you if the ceiling falls in.

I was doing well before the ceiling fell in.

"I went in to get something and discovered the entire ceiling had fallen onto the floor," she said.

When it was over, the ceiling and wall had fallen.

With a crash that made her ears hurt, the ceiling fell.

The ceiling had partly fallen in and there was a broken chair.

"That's the first time I've ever heard anybody being glad that a ceiling fell on him."