Other editions of book UFOs

UFO means 'Unidentified Flying Object'. What are UFOs? Are they real? What do UFOs look like? This book will tell you.Do aliens exist? What color are they? Have aliens visited the Earth? What has seen them? Have people really been taken away -- or abducted -- by aliens? Get the Facts.Got that? Then read a great story about aliens invading Earth: "The Valley of the Zombies".Finally, use the Word Check to make sure you know your flying saucer from your stealth bomber!