By asserting that the frontier did not close and vanish—as his precursor Frederick Jackson Turner so famously did in 1893—Hopkins challenges one of our hoariest understandings of frontier zones. What he reveals is that the frontier, and its violence, can be found wherever imperial soldiers are sent—wherever they imagine the local people over the horizon as inhabiting ‘Indian country’…Hopkins [succeeds] in leaving readers with an enduring sense of the palimpsest of empires that continues to structure our contemporary world.