Ermak 2 Igor Valeriev Novel Adventure, Hit in time, Alternative History 1of2

Russia of the late XIX century. The adventures of the young Cossack Timofey Alenin continue.
Meeting with Tsarevich Nikolai Romanov and his rescue from death radically changes Ermak's life. Junker College. First officer rank. The award from the hands of the imperial couple. The hereditary nobleman and the Cavalier of St. George Alenin-Zeisky gets access to the upper world. New acquaintances, new love and a new appointment. Young cornet Timofey Alenin becomes the head of the bodyguards of the Governor of the Far East - His Imperial Highness the Sovereign Heir Nikolai Alexandrovich.
Are these changes in history caused by Ermak's actions? Or did our hero end up in a parallel world? We'll wait and see.