Ten minutes after the Duc de Saligny entered the card room, the police burst in - and found he had been murdered. Both doors to the card room had been watched yet the murderer had gone in and out without being seen by anyone!
It Walks by Night A Paris Mystery - British Library Crime Classics
Paperback (10 Sep 2019)
Includes delivery to the United States
6 copies available online - Usually dispatched within two working days