Summary

These chapters form the climactic section of the book. Whipped into an angry and vengeful state of mind from his friends, Peter has decided that he will pull one last prank that will once and for all drive Grandpa from his room. Late at night Peter sneaks into his grandfather's bathroom and takes his dentures from their container and hides them. However, once he goes back to his room he makes sure to set his own alarm so that he can see his grandfather realize that his teeth have been taken.

Peter enlists the help of his sister, Jenny, as a spy. He wants her to act as a lookout, as well as find out where grandpa keeps his teeth when he takes them out. She doesn't understand why he would want to know that, but she goes along with it. By the...