It's funny how sometimes there's kind of a "thing" in middle grade literature. This week, I read two different books that were published in the same week and both were about kids who were dealing with a missing mom. It's fairly often that children are left to their own devices, particularly in middle grade literature-think James and the Giant Peach, Harry Potter, The Lion, the Witch and the Wardrobe, to name a few, so it's not really surprising to find missing parents, but these two books...