French master of the detective-adventure genre Maurice Leblanc (1864-1941) entered the world literature as the creator of a series of novels about the adventures of Arsene Lupin - a gentleman thief, a burglar with high society manners and at the same time a fighter for justice. The third book of the works of the French master publishes his novels "The Island of Thirty Coffins" and "Countess Cagliostro," as well as stories from the cycle "The Extraordinary Adventures of Arsene Lupin."