Author Allen J. Singer is a lifelong railroad fan. He harbors an interest in Cincinnati's rich history, particularly in the stories of its rapid-transit past, which includes street...view moreAuthor Allen J. Singer is a lifelong railroad fan. He harbors an interest in Cincinnati's rich history, particularly in the stories of its rapid-transit past, which includes streetcars, interurbans, inclined planes, the canal, and the subway tunnels.view less