This episode, Matt Crawford speaks with author William Hazelgrove about his new book Henry Knox's Noble Train. Hazelgrove traces Knox's unbelievable journey from a Boston bookseller to an indispensable man of the American Revolution. To fight the British in Boston Washington needed artillery that was over 300 miles away in Fort Ticonderoga and he needed it fast. Who could move over 60 tons of canon in winter through some of the harshest terrains? A Boston bookseller with no military experience, that's who!