An investigation of UFOs and aliens combines eyewitness accounts of supposed sightings and interviews with leading UFO experts to explore the possibility of life from other worlds.

This title focuses on Area 51 and gives information related to its origin, theories, and place in popular culture. It offers photographs, simple text, glossary, and an index. Aligned to Common Core Standards and correlated to state standards.

This title focuses on the Men in Black and gives information related to their origin, theories, and place in popular culture. This hi-lo title is complete with thrilling and colorful photographs, simple text, glossary, and an index.

"Readers of this book will investigate the facts and compare the data provided in the fascinating text and compelling infographics, and then decide for themselves what's really going on with crop circles" -- Provided by publisher.

"Does the Loch Ness monster really exist? Whatever happened to the crew of the Mary Celeste? And where exactly are the Hanging Gardens of Babylon? Get ready to be amazed as you uncover the world's greatest mysteries, from Bigfoot to the Bermuda Triangle. Including alien abductions, haunted houses, mind-blowing natural phenomena, and much more, this book will explain the extraordinary --unless the extraordinary can't be explained, of course. Then...

How long have people reported seeing unidentified flying objects (UFOs)? Where have people spotted UFOs? What do scientists think some of these UFOs might be? The detailed drawings, vintage photographs, and easy-to-read text in UFOs introduce young readers to this fascinating topic. Diagrams, graphs, and charts help young learners understand the data scientists have collected, and then decide for themselves what UFOs really are.

"How likely is it that humans aren't alone in the universe? Reports of strange lights, UFO sightings and alien encounters abound-and some (like recent accounts from U.S. Navy pilots) even sound credible. And in recent years, armed with state-of-the-art technology and better information, the search for extraterrestrials overflows with exciting possibilities. Within our own solar system, astrobiologists search for the biochemical building blocks that...