Demi-Monde... A group of people on the fringes of respectable society, considered to be of doubtful social standing and morality... Among these are Harry Dickson, the so-called American Sherlock Holmes, gentleman-thief Arsène Lupin, spymaster Richard Hannay, Robur, the future Master of the World, the eccentric Doctor Omega, Fantômas, the Lord of Terror, the indomitable Maciste and the gallic sleuth Jules de Grandin...

Together or separately, this colorful cast investigate the theft of the Brasher Bat and the haunting of the Louvre, deal with the appearance of a new Unholy Three and the Specter of the Valkyrie, listen to the adventures of a Russian Vampire in Mexico, fight a desperate battle against the Red Necromancer and the Gunfighter in the Iron Mask, and uncover a thief in Jules Verne's Floating City... All this, plus Lord Ruthven, the Ténèbre Brothers, Santo, Orpheus, Dr. Cornelius, D'Artagnan, Phileas Fogg, Erik, and the unflappable P.G. Wodehouse!

In this nineteenth volume of Tales of the Shadowmen, the only anthology dedicated to international heroes and villains of pulp literature, writers from England, France and the United States unite to pay homage to those great champions and master criminals who enchanted our adolescence.