When was the book Lunchtime Rules written?

There's no widely known book titled "Lunchtime Rules." It's possible it's a book with a less common title, or a self-published work.

To help me find the book you're looking for, could you provide more information, such as:

* The author's name

* Any other keywords from the book's title or description

* The genre of the book (e.g., children's book, self-help, etc.)

* Where you encountered the book's title (e.g., a library catalog, a bookstore website, etc.)

With more information, I can help you find the publication date.