Maurice Leblanc - Arséne Lupin - A 813-as song rejtélye

For what purpose did Rudolf Kesselbach, the multimillionaire diamond merchant, come to Paris? Why did he want to find Pierre Leduc, one of the capital's underworld figures? What does the number 813 on one of the diamond merchant's boxes mean? Among other things, the police and Arsene Lupin have to find answers to these questions after Kesselbach is found dead in his hotel room after being robbed, with the business card of the famous burglar next to him. All signs indicate that Lupine is the culprit, even though a mysterious figure dressed in black also walks the streets of the capital...

Maurice Leblanc's particularly twisted crime story is now published in a new, complete translation.