Duke of the West (Cast in Time, #7)

An Engineer finds himself in an Alternate reality, Cornwall, in the year 715 A.D. He awakens in the body of a young Baron.
James Fletcher continues on his world conquest. He has realized that nothing short of world domination will allow him to live in peace. No matter how he expands the new neighbors will covet his goods and lands.
After a run in with the Inca in South America it is time conquer Germany after completing the Panama Canal and building the trans-continental railway across North American.
Add in some pirates and join the journey with this wild ride through the eighth century.