About the book: 2015 / NEW science fiction action movie from the author of the best-selling books "The Gunsmith" and "Destroyer"! A brilliant inventor in the service of Peter the Great modernizes Russia like a fighting machine or an artillery system, so that Peter’s transformations and wars would cost less blood. But after a quarrel with the Tsar he falls into arrest and disgrace... How can he survive in the dungeons of the Peter and Paul Fortress and escape from exile? Will he be able to prove his usefulness to the Empire in battles against the Turks, Persians and Caucasian highlanders? Will he be able to defeat the Ottoman fleet in the Kerch Strait and “open a window” to Crimea and Novorossiya half a century ahead of schedule??