The Missing Will, by Agatha Christie                                   67173
  [author: Agatha Christie]
  [Link: [1]https://www.gutenberg.org/6/7/1/7/67173]
  [Files: 67173-0.txt; 67173-h.htm]

Thanks to Roger Frank and Sue Clark

References

   1. https://www.gutenberg.org/6/7/1/7/67173