For reasons I will not mention in this context, my production this month has been reduced to a few titles, some of which I read the previous month.
Jumping Jenny, 1933 (Roger Sheringham Cases #9) by Anthony Berkeley
The Case-Book of Sherlock Holmes, 1927 by Arthur Conan Doyle
Overture to Death, 1939 (Roderick Alleyn #8) by Ngaio Marsh
The Private Life of Sherlock Holmes (1933) by Vincent Starrett
The 9.50 Up Express and Other Stories (s.s. collected 2020) by Freeman Wills Crofts
A Crime is Afoot 