As Idaho's State Historian, the question Keith Petersen heard most was, "How did Idaho get such a strange shape?" That curiosity is fitting, because those peculiar borders have held enormous influence on much of Idaho's political, economic, and cultural history, and prompted repeated efforts to connect the north and south.In Inventing Idaho, Petersen answers that popular inquiry, breaking the state's intriguing border story into six sections covering the fascinating events and people--often U.S. presidents and other politicians and diplomats who never set foot in the region--involved in...