Peter the Great's Engineer (Book #3): A Historical Portal Progression Fantasy Series

Peter the Great's Engineer (Book #4): https://www.amazon.com/dp/B0HFKFJ6YG History has little time for “what ifs” and “what might have beens” — but having found himself back in the 18th century, Pyotr Smirnov is determined to take history by the scruff of the neck and rewrite it from scratch. Granted carte-blanche to do what he wants by Peter the Great, he is busy building an innovative engineering empire within an empire. But Europe is ever watchful. Alarmed by Russia’s rising power, Smirnov finds himself pitted against the combined forces of nefarious Western diplomatic intrigue and the might of the Swedish war machine.