Why Grandpa Rides a Harley
David Strange is a retired builder of geodesic dome homes whose great passion is touring the countryside.  Nancy Vogl is an author, writer and speaker whose most recent books include "Chicken Soup for the Single Parent's Soul," and the acclaimed children's book, "Am I a Color Too?" Residing in beautiful northern Michigan, together the authors have ten children and seven grandchildren, with the expectation of many little Harley enthusiasts to come.