She was a thin, lonely child with huge eyes and an extensive vocabulary of French foul language. Amongst the elegant middle-class British families holidaying in Dinard in 1926--leading their privileged lives of secure routine pleasures--Flora was a ten-year-old misfit. Ignored by her self-absorbed parents, unloved, and pitied by the pleasant, stylish people in Brittany that summer, Flora was--peripherally--included in their gracious circles. And there,...