内容简介：
Have aliens been influencing human development for millennia? An intrepid group of friends think so, and they'll face any danger to prove it. Archeologists Bones and Miller believe that aliens from another world known as the Sirius Star System created the Earth's religions. UFO enthusiasts Dusty, Bill, and Roxie join them on their quest, along with former alien abductee Johnny Two Eagles. Then there's millionaire playboy, Rex Rand, and his movie-star girlfriend, Tracy Trout, who are simply looking for a good time. The world's sacred monuments hold the clue to this ancient puzzle. The monoliths appear to have a purpose-transmitting radio signals. To prove this, the group faces danger exploring the Great Pyramid in Egypt. In Teotihuacan, Mexico, they discover a hidden chamber that holds important secrets beneath the Temple of the Sun. But when they travel to the Amazon rain forest, they find a lost city that may help uncover the truth about alien visitation. This exciting tale blends nonstop action, evocative settings, intriguing scientific lore, and the supernatural. Travel along with Bones, Miller, and their cohorts as they try to answer the question, "Are we alone in the universe?"