Ritchie, David

Over 1,000 A-Z entries that document the history, characteristics and causes of earthquakes and volcanic eruptions.

Explores what medicine was like and what roles doctors played in our American culture during the latter half of the 19th century.

Encyclopedic guide to UFOs based on current research, reports, speculation, and alleged physical evidence.

Provides information in an A-to-Z format on various regions of the world and their seismic and/or volcanic activities, specific major eruptions and earthquakes throughout history, geologic and scientific terms associated with the study of these phenomena, and people involved with the field of seismology.

Discusses changes that occurred in frontier and pioneer life in the American West during the last half of the nineteenth century.

Documents maritime disasters, selected on the basis of their historical, cultural, and technological importance, and includes entries on related topics such as radar, capsizing, reefs, and storms.

Presents a historical overview of recreational activities in the United States from the post-Civil War era through the early twentieth century with emphasis on the increase of leisure time and the development of commercial sports.