Apparently, this was first published in 1955.
I had to look it up since there are a couple of references that have not aged well at all.
The only people still using those references are either Prince Philip or racist Prime Ministers, and those are - evidently - representatives of only 9000 people.
In any case, there has been a lot of focus on the Holmes story The Adventure of the Yellow Face and my hunch at this point is that there will be a connection ... somehow.
But then this is Mitchell. I will be wrong.
In the meantime, I will probably use these reading updates to sneak in more Jeremy Brett pictures. Just because.