<p>This book contains nine essays upon different phases of the world-drama which has made Conan Doyle&rsquo;s lifetime memorable. He himself thought them unworthy of republication, were it not that at such a time every smallest thing which may help to clear up a doubt, to elucidate the justice of the British cause, or to accentuate the desperate need of national effort, should be thrown into the scale.<br />
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