If you ever need a book recommendation, and I'm not here to answer your question directly, the next place I would send you is to the IndieBound website.
I have a graphic on my left side bar for the current IndieNext lists - the best of the best in new books. For some reason, I am having trouble having more than one IndieBound graphic over there, so I am dedicating a post to my one of my favorite resources in finding my next great read.
The Kids' Next list for Spring 2010 is especially exciting. Take a look at the Top 10 and you'll see what I mean!
Here are some of the Kids' Next List Notables: