Context:

Referenced when discussing Erskine Childers' execution, describing him as 'a very famous author, the author of The Riddle of the Sands, who is the secretary of the Anglo-Irish delegation'

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Mentioned when describing Erskine Childers' background - he wrote this spy novel predicting the First World War before becoming an Irish nationalist and serving as secretary to the Irish delegation.

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Mentioned as a novel written in 1903 by Erskine Childers, whose yacht was used to import guns via Howth for the Irish volunteers

Context:

Described as 'the classic book about German spies and about the Germans plotting to invade Britain'; noted that the author later smuggled guns for the IRA and was executed