The Caves of Etretat: Part One of Four
by Matt Chatelain
New version Jan 21 2016. Canadian bookstore owner Paul Sirenne heads to the town of Etretat, France, on the trail of a hundred year old mystery hidden in the pages of 'The Hollow Needle', by Maurice Leblanc. Together with Leblanc's great-granddaughter, Sirenne unearths puzzles, codes and historical mysteries, exposing a secret war for control of a cave fortress in Etretat's chalk cliffs.