Peggy J Parks

This book examines some of the most interesting ghosts and hauntings, how ghost hunters go about their work, and scientific theories that attempt to explain paranormal phenomena.

Discusses the mental disorder known as schizophrenia, including its history, symptoms, treatment, and current research.

An introduction to the idea that creatures from other planets occasionally visit the Earth or fly through the airspace above it.

Provides information about self-mutilation in teens, discussing how prevalent the problem is, why some teens turn to it, and ways they can overcome it.

According to the U.S. Department of Justice, more than 20,000 violent gangs with approximately 1 million members were criminally active in the United States as of September 2008. Through objective overviews, primary sources, and full-color illustrations, this title examines how serious this problem is, why gangs attract young people, and how gang violence can be stopped.

Examines historical and anecdotal evidence, as well as modern theories about extrasensory perception, or ESP, features primary source quotes from scientists, experts, and eyewitnesses, and includes sidebars and illustrations.