La Vallée de la peur
"The Valley of Fear" was first serialised in "The Strand Magazine" from September 1914 to May 1915. In the "Strand", it was published with thirty-one illustrations by Frank Wiles. It was first published in book form by George H. Doran Company in New York on 27 February 1915, before the serialisation had finished in the "Strand". The first British book edition was published by Smith, Elder &amp; Co. on 3 June 1915. Like the first Holmes novel "A Study in Scarlet", "The Valley of Fear" has two parts. The first part is titled "The Tragedy of Birlstone", and the second is titled "The Scowrers".