At the beginning of the 20th century, the great detective Sherlock Holmes and his old friend Dr. Watson arrived in Russia to get acquainted with the life and people of this mysterious country. During the trip, Holmes was unable to remain incognito. World fame and love overtook him here too. In Russia, the genius of deductive investigation will have to face the dancing skeleton ghost of the Nizhny Novgorod fair, unravel the case of swindlers from St. Petersburg, and also reveal the secret of the gold mines. A brilliant mind, amazing composure, great generosity and boundless courage will help him and his faithful chronicler Dr. Watson defeat the most evil and insidious inhabitants of the underworld... These unknown pages of the adventures of the great guest Mrs. Hudson were opened for the Russian reader by Conan Doyle's contemporaries - Russian masters entertaining reading P. Nikitin and P. Orlovets. In the wake of the popularity of stories about Sherlock Holmes, they managed to create entertaining stories about the adventures of the super detective in Russia. At the beginning of the last century, books by these pioneers of action-packed detective stories sold millions of copies. A century later they return to us in a new, modern edition. They will also be valuable to the modern reader for many details of a bygone era that cannot be found in the so-called “serious” literature. Many amazing details of Russian life will interest not only fans of the detective genre, but also lovers of literature and history of the Fatherland.