best 19th century mystery novels

In a tragic accident, mechanical engineer Poul Nielsen and his best friend, civil engineer Jonathan Axelsen, are killed when a truck crashes into the coffee shop where they were hanging out. Suddenly, they find themselves transmigrated to a parallel world in the late 19th-century country of Avalonia. In this world, they'll need to work tirelessly to earn enough pennies to survive. But they won't settle for just getting by - they want to become the Edison, the Chrysler, the Rockefeller, the Carnegie, the Ford, and the Westinghouse of this new world. In a world without electricity, Poul and Jonathan decide to start an electric power distribution company. But that's not enough - they also want to build appliances and motors to make their business profitable. They see the opportunity to revolutionize ground transportation, and they start an automotive manufacturing company. They tackle huge infrastructure projects such as metro stations, skyscrapers, bridges, tunnels, and dams by starting their own civil engineering firm. They even invest in the arms manufacturing industry. But the road to success won't be easy. Fierce competition awaits them, as robber barons are willing to do everything to crush their competitors. Predator against predator, and government intervention. Poul and Jonathan must use all their engineering expertise and business acumen to navigate this treacherous landscape. Join Poul and Jonathan on their journey to become the wealthiest men in the world in a parallel universe where anything is possible.