Len's Summary: Part one of a planned four-part work on tunneling on British stretch of the Western Front. Reflects recent work on the Durand Group; with an illustrated tours section. // Both sides made extensive use of tunneling to place mines beneath opponent’s defensive works, a practice dating back to the invention of gun powder. First volume in a planned four-volume series.
Ambassador Shurtleff, a retired American Foreign Service officer who served as President of The World War One Historical Association and as a past President of The Western Front Association – U S Branch, passed away on January 22, 2014. The searchable version of Len’s Bookshelf was created and will be maintained in his honor.