A collection of nearly 700 alphabetically-arranged entries providing information on the history of the United States from the pre-Colonial period to the early twenty-first century.

A collection of nearly 700 alphabetically-arranged entries providing information on the history of the United States from the pre-Colonial period to the early twenty-first century.

Presents almost seven hundred entries that cover important events, people, places, and concepts in United States history.

Presents comprehensive, up-to-date information on weather and climate basics, weather conditions and phenomena, natural disasters, forecasting, and human influences on weather and climate.

This volume, containing entries from marijuana to nitrous oxide, covers the drug's history, typical users, effects on the body, treatment options, consequences of use, legal issues, and more.