Fifth in the series of novels started some years ago with Dawn's Early Light which introduced the Spragues and the Days in Revolutionary Williamsburg. In time- the First World War, and the cast includes descendants of the Spragues and Days, with Aunt Sue a connecting link between the old generation and the new. This is the twins' story, Camilla and Calvert. Both of them go overseas, Camilla to act as nurse's aid in the semiprivate hospitals run by her cousins in London and Gloucestershire. Calvert to serve briefly on the crew of a big gun- and eventually to die as the result of wounds. Chiefly it is Camilla's story, her futile love for the Frenchman attached to the menage of the slightly outre Cousin Sallie; her involvement in the stormy passions of Jenny and the American who- with Calvert- had managed to survive the destruction of the gun crew, and who nearly lost his life thereafter. Rather leisurely in pace as the threads of previous stories are fitted into place, this gathers momentum, seeming to build up into an old-fashioned love story between the duke's daughter and the poor mechanic. And in the last quarter, death and disaster out various threads in more or less wholesale fashion; a brief and inconclusively motivated interlude btween Camilla and a young Nazi contributes little; and the story ends with two matings, and the build-up for World War II. Perhaps I'm going stale on the family unto the third and fourth and fifth generation. But this held less appeal than any of its predecessors. Even World War I seemed dated.