Have you ever seen something in the sky that you could not identify? You wouldn't be alone. Many people have reported seeing unidentified flying objects. Reports range from flying saucer sightings to stories of mysterious lights in the sky. Readers will discover the history of UFO sightings and the evidence both for and against their existence.
Are we alone in the universe? Those that believe in alien abductions think they know the answer. This title explores the mysteries of alien abductions and the tools and technology behind researching them to debate the question of whether aliens have ever visited Earth.