Seen through the eyes of four generations of a firefighter family, Five Floors Up the story of the modern New York City Fire Department. From the days just after the horse-drawn firetruck, to the devastation of the 1970s when the Bronx was Burning, to the unspeakable tragedy of 9/11, to the culture-busting department of today, a Feehan has worn the shoulder patch of the FDNY. Here's Five Floors Up author, Brian McDonald with the story.