Tells the stories chronologically of the standing lighthouses on six of the twenty-two Apostle Islands and their keepers. Tells the stories chronologically of the standing lighthouses on six of the twenty-two Apostle Islands and their keepers. Tells the stories chronologically of the standing lighthouses on six of the twenty-two Apostle Islands and their keepers. Tells the stories chronologically of the standing lighthouses on six of the twenty-two Apostle Islands and their keepers.