Uncovering their remarkable and moving stories, Mark Mazower recounts the sacrifices and silences that marked a generation and their descendants. In the centenary of the Russian Revolution, What You Did Not Tell revitalises the history of a socialism erased from memory - humanistic, impassioned, and broad-ranging in its sympathies. But it is also an exploration of the unexpected happiness that may await history's losers, of the power of friendship and the love of place that made his father at home in an England that no longer exists.