The Riddle of the Sands: A Record of Secret Service Recently Achieved.
Boston: David R. Godine Publisher, 2019.
First published in 1903.
Book Information: Publisher; Google Books; Wikipedia.
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Author Information:
- Erskine Childers (1870–1922), Wikipedia.
 - Burke Wilkinson.  The Zeal of the Convert: The Life of Erskine Childers.  New York: Robert B. Luce Co., Inc. 1976.  Gerrards Cross, England: Colin Smythe, 1978.  Sag Harbor, New York: Second Chance Press, 1985.  Open Road Media, 2016.
[Google Books.] - Andrew Boyle.  The Riddle of Erskine Childers.  London: Hutchinson, 1977.
[Google Books; Amazon.com.] - Jim Ring.  Erskine Childers.  London: John Murray, 1997.  London: Faber & Faber, 2011.
[Publisher; Google Books; Amazon.com.] - Leonard Piper.  The Tragedy of Erskine Childers.  London: Bloomsbury Publishing, 2006.
[Publisher; Google Books; Amazon.com.] 
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Wikipedia Articles:
- Erskine Childers, The Riddle of the Sands, 1903.
 - George Tomkyns Chesney (1830–1895), The Battle of Dorking, 1871.
 - Invasion literature.
 - Germany–United Kingdom relations.
 - Anglo-German naval arms race.
 
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Video, Audio:
- Melvyn Bragg, Richard Evans, Rosemary Ashton, Tim Blanning, "The Riddle of the Sands," In Our Time, BBC Radio 4, 12 June 2008.
 - Harry Wood, "British Invasion-Scare Literature on the Eve of the First World War," YouTube, 11 December 2014.
Full title of talk: "Between Rumour and Fantasy: New Thoughts on the Strategic Value of British Invasion and Future-War Literature"; delivered to the First World War Research Group, King's College London at the Joint Services Command and Staff College on 11 December 2014.- Harry Wood, Island Mentalities: The invasion-scares of Edwardian Britain, WordPress.
 - Harry Wood, LinkedIn.
 
 
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