Examines aspects of the American criminal justice system, including police powers, gun control, mandatory sentencing, juvenile justice, and the death penalty.
Examines the history, tactics, and effectiveness of various grassroots and national-level environmental groups, as well as the state of the environment and the economic costs of protecting it.
Describes various types of paranormal activity associated with the detection and behavior of spiritual beings. Examines ways that people have sought to commune with spirits over the years and includes photographs and further reading sources.
Explores a variety of reported alien encounters, sightings of UFOs, dead aliens from Roswell, live aliens from Scotland, and humans who claim to have been abducted.
Explores the different viewpoints and theories about claims of abduction by aliens, discussing the case of Betty and Barney Hill, the Roswell incident, and the continuing search for physical proof that aliens exist.
Describes various aspects of climbing Mount Everest, from deciding when to climb and outfitting an expedition, to surviving the Death Zone and descending, using examples from real expeditions.
Discusses the long period of human history known as the Stone Age during which humans evolved into beings capable of inventing and using increasingly sophisticated tools and creating complex social groupings.