http://www.amazon.com/gp/bestsellers/books/ref=pd_dp_ts_b_1
Are you at all in tune with what most people think like and desire?
Also, there is no "average" person, just aspects that pop up more frequently when you combine characteristics of lots of people. Individual people, even people you might at a first glance consider shockingly mundane, have their interesting sides. People viewed as a group are like stones that have had most of their interesting scratches and edges polished off.
Which is probably a minority of the US population nowadays.
4 of those 5 are targeted to women, 2 have the word 'girl' in the title.
3 of those 5 occupy spots in the top 4.
I guess there's ONE thing in there I can relate to.