It’s Memorial Day, and you know what that means: the official start of summer reading season. For me, there are four categories of summertime books, and I like to draw a few from each when I compile my reading list. First is the Guilty Pleasure. Like many people, I like to pepper my summer reading with quick reads that entertain without requiring too much brainpower. These can be a psychological thrillers, celebrity memoirs or shameless chick lit. On a plane trip recently, I devoured “The Mother