https://www.sherlockforum.com/forum/topic/3549-episode-43-the-final-problem/page/3/
Episode 4.3 "The Final Problem" - Page 3 - Special and Series 4 - Sherlock Forum
the final problem
https://catalog.swanlibraries.net/Record/a3387305
The final problem : a novel / | SWAN Consortium
"In this locked-room mystery set in 1960, a washed-up actor puts his on-camera detective skills to the test when a suspicious death shatters the quiet peace...
the final problemnovelswanconsortium