Superhero alien abduction midlife crisis MG novel

Well I guess I can't have a 1700 word picture book dealing with complex characters and subplots, either. Here is a blog for reference by Laura Backes.

http://children.fictionfactor.com/articles/kidsgenres.html

Interesting though, a new catagory is emerging for ages 10-14 who are not ready for the themes in YA books.