Yes, I’m a mouse. Squeak, squeak. Now shoo-shoo back to your little bug friends,” said Rirped, picking up a hunk of dried beef. He tore a off a piece with his teeth and noticed Boots hadn’t moved. He pulled back his lips to reveal a row of jagged teeth and gave her a sharp hiss.
"Gregor the Overlander". Book by Suzanne Collins, 2003.