The soul of the croupier : a mysterious mr. quin story

Previously published in the print anthology The Mysterious Mr. Quin. On his annual trip to Monte Carlo, Mr. Satterthwaite finds himself in the company of Mr. Quin, who is caught up in a mysterious love triangle. A Mr. Quin story set in Monte Carlo! Whilst holidaying in the principality, Mr. Satterthwaite watches as a young American man falls in love with a mystifying Countess. Soon after a bit of gambling at which he was not successful, he bumps into Harley Quin and they invite their new friends for an intimate dinner that reveals dark secrets about one of the guests The short story was previously published in the print anthology "The Mysterious Mr. Quin."