Source: Horror of the Heights (No Sherlock Here)
Follow the link to Paula Cappa’s review of the Conan-Doyle short story “Horror of the Heights”. Here is a brief plot synopsis from the article:
“Horror of the Heights is a short story told via Mr. Joyce-Armstrong’s blood-soaked notebook found in a field, one mile to the west of the village of Withyham, upon the Kent and Sussex border in England. On a warm September day, Joyce-Armstrong takes flight “under the hush and heaviness of impending rain.” His mission takes a shocking turn … or should I say leap?”