Le Queux, William: The Seven Secrets, v.1, 19 December 2008.
 

The Seven Secrets (1903)
(Second Edition, 1907)
By William Le Queux (1864–1927)

A mystery set in fin de siècle London. An elderly man is murdered and suspicion falls on his young widow. But then things get very complicated and lies and clues abound…

I’ve just noticed that mtravellerh has also uploaded a copy yesterday. But we have made some different formatting decisions, so there’s now a choice.