Phantom Black Dogs have haunted the highways and byways of human existence for hundreds of years. This apparition, usually seen as a huge dog with glowing eyes, has appeared to people throughout the United Kingdom and Ireland as well as North and South America and it continues to appear to this day. The Black Dog has been seen and reported by witnesses ranging from farmers to professional geologists, nurses and military officers. While those with a passing knowledge of this phantom see it only as a harbinger of doom and death, the lore surrounding this fascinating creature is more nuanced. The Phantom Black Dog has a long tradition of protecting travelers, for instance, and is known for its solemn stare and awareness of the witness. Phantom Black Dogs takes the reader on a journey that begins with defining the apparition and then moves on to explore its history, the locations where it can be found, aspects of high strangeness that surround the phantom, and theories about the manifestation of the Black Dog. Whether the apparition is viewed with terror or fascination, the Phantom Black Dog is a subject which will intrigue any reader interested in the paranormal.