It's A Mystery: Ancient Sites brings together five of the most interesting, most talked-about mysteries in history. Mystery Hill: America's Stonehenge, The Trojan War: Myth or Reality?, Easter Island: The Mystery of the Statues, Nazca: The Mystery of the Lines, and Cahokia: Largest City of Ancient America. Pula brings together the facts from a variety of experts. She also includes theories and speculation from others in the field and she closes each mystery with her own beliefs, based on her extensive research. If you think you know all the facts about these interesting locations, think again...

It's A Mystery: UFOs is the 6th book in the It's A Mystery series. This volume brings together five of the most debated UFO mysteries in the world, including: The Great Airship Mystery of 1896-1897, Foo Fighters: World War II's Mystery Objects, The Roswell Incident: UFOs in the Desert, Michigan Swamp Gas? and Rendlesham Forest: Britain's "Roswell." If you think you really know what happened, be prepared to be surprised when you read the detailed research our author has brought to the table. In addition to some of the top experts in each field, Pula has also shared some of the most common...