Daniela, it's just a query. I honestly don't mind taking ten minutes to give you some feedback. Or post it in QLH - they'll tear it apart, but you'll definitely get feedback. (They don't tend to be middle grade experts, though.)
Nicola, I'm slammed this week, but I'd read next week, if you'd like. I have a seven-year-old, so I'm well-read in chapter books. It's a cute title. Just in the interest of being prepared, here is a post from Mary Kole about how tough the chapter book market is.