"With its claws and fangs and hunting for blood in the night, el Chupacabra is the stuff of nightmares. Many people insist that this mysterious Mexican monster is real, while others proclaim it a bedtime story. This intriguing volume uses a presentation of firsthand accounts and more to encourage well-rounded research and critical thinking skills"--Provided by the publisher.

"The Wendigo is a demon that has the power to possess humans and make them do terrible things. Or so the Native American legends say. Readers will delve into the earliest known accounts of the Wendigo, additional firsthand stories throughout history, and modern scientific research to learn critical thinking skills and determine for themselves the solution to this mystery"--Provided by the publisher.

"In a universe that stretches across billions of light years, can Earth really be the only home of intelligent life? This book avoids the sensationalism often attached to discussions about UFOs and aliens. Instead, science is coupled with historical information and firsthand sightings to teach students about responsible research, evaluation of sources, and critical thinking, even when confronted with mysterious topics"--Provided by the publisher.