Do you have a book about music and classical composers appropriate for a 9 year old boy?

Whole Foods is a grocery store, not a book store. There is a book store in the same shopping center that should either have such a book, or could easily order one.

There's a bookstore right next to the Napa location. You might try there

I think you should call them, otherwise who knows when, if ever, they will see this. I also suggest checking out Amazon and other places that sell books.