Here are a few examples:
* "Nick was nervous." (This is a common alliteration in the English language.)
* "He sat in the back of the bus." (This is a common alliteration in the English language.)
* "The principal was perplexed." (This is a common alliteration in the English language.)
It's important to note that *Frindle* is a story that focuses on a child's creativity and his challenge to authority. The use of alliteration isn't a central theme or device in the book.
Do you have a specific passage or scene in mind from *Frindle* that you are thinking about? I might be able to help you identify an example of alliteration within that context.