1939-1945 aristocracy(socialclass) circus familysecrets fathersandsons fiction friendship general germany historical history lipizzanerhorse lipizzanerhorses man-womanrelationships newyorktimesbestseller nyt:hardcover-fiction=2014-11-16 nyt:mass-market-paperback=2015-12-13 refugees romance singlefathers unitedstateshistory1901-1953fiction widowers worldwar