About the book: 1992 / The book is dedicated to an outstanding figure in Russian diplomacy of the 18th century. Alexey Mikhailovich Obreskov. He spent 30 years in Turkey, 18 of them as Russian envoy in Constantinople. For the first time, documents of diplomatic correspondence of ambassadors in various countries and foreign ambassadors in St. Petersburg, encrypted reports of A. M. Obreskov and P. A. Levashov from Turkish captivity are presented.