Wexford knows Robert Hathall killed his wife - but he can't prove it.
Poison and patent medicines for Inspector French.
Les mystères de Paris, Belle Époque vintage.
Fraud and murder in a prehistoric cave.
“It is not every man whose father was both a pope and a murderer."
Sex and murder in Mexico.
A very workmanlike poisoning case.
You'd have to be a Muggins to be surprised.
Crime in Victorian London.
Blackmail, murder, and a little authorial self-borrowing.