Matt Miller in the Colonies: Book One: Journeyman

Twenty-first-century scientist Matt Miller has achieved success beyond his wildest dreams in the American colonies. He's become a wealthy businessman and politician, with a beautifulwife and family, but the American Revolution looms on the horizon. When a prominent British politician mysteriously disappears, Ben Franklin summons Matt to London to help investigate the involvement of Patrick Ferguson, another time traveler with ambitions to change the future. Unknown to them all, a third time traveler, with motivations of their own, will join in them in a struggle across two continents to change the future of Western Civilization.