To the Edge of the World is an adventure in travel -- full of extraordinary personalities, more than a century of explosive political, economic, and cultural events, and almost inconceivable feats of engineering. Christian Wolmar passionately recounts the improbable origins of the Trans-Siberian railroad, the vital artery for Russian expansion that spans almost 6,000 miles and seven time zones from Moscow to Vladivostok. The world's longest...