This is the true story of "Sirius," the Port Authority police patrol dog who died at the World Trade Center on September 11, 2001. Told by "Sirius" in his own words, this heart-warming story describes the friendship and courage shared by "Sirius" and his police officer partner David, who survived the 9/11 attacks. A personal letter from David to the reader is included in this book. "Sirius, The Hero Dog of 9/11" is not only the inspiring story of a dog and his police officer partner. It is also the true story, for readers young and old, of tragedy, triumph and courage on the darkest day in America's history.