We all have memories of family vacations: the cross-country marathon drive, the camping trip, a couple lazy weeks at the lake, a helter-skelter month in Europe, four days in Disneyland. The variations may be endless, but the common denominator is that there are always stories to tell. The family vacation, with all its funny, sad, relaxing, stressful, frustrating, and exhilarating moments, shapes us, and helps us create an understanding of who we are and of those we travel with. In his...