Each year, millions of these baseball fans engage in verbal (and sometimes physical) tête-à-têtes with the opposing base, and with only around 200 miles of terra firma dividing the two capitals of the “Empire” and the “Nation,” this book provides the only well-constructed tutorial on how both tribes can peaceably coexist. Such a guide promises to save the reader from emotional distress, time-consuming arguments, and, most importantly, cleaning bills.