Climate Change (2009) Adrienne Wilmoth Lerner and Chiara St. Pierre, eds.
Examines the issue of climate change from a variety of international perspectives.

Encyclopedia of Environment and Society (2007) Paul Robbins, ed.
Provides issues, concepts, theories, examples, problems, and policies, with the goal of explicating an emerging way of thinking about people and nature. Written by experts from incredibly diverse fields.

Encyclopedia of Global Warming and Climate Change (2009) S. George Philander, ed.
Explores major topics related to global warming and climate change-ranging geographically from the North Pole to the South Pole, and thematically from social effects to scientific causes. Covers the science and history of climate change, the controversies over climate-change theories, the role of societies, the industrial and economic factors, and the sociological aspects of climate change.

History Behind the Headlines : The Origins of Conflicts Worldwide (2003) Sonia G. Benson, Nancy Matuszak, and Meghan Appel O'Meara, eds.
Presents in-depth information on conflicts appearing in today's headlines. Users are provided with historical background and analysis to events to give a greater understanding of the politics, players, and layers of current affairs.

UXL Encyclopedia of U.S. History (2009) Sonia Benson, Daniel E. Brannen, Jr., and Rebecca Valentine, eds.
Introduces the history of the United States from pre-Colonial America to the present day. Explores the timeline of America: its founders, key historical figures, wars, events, political environment, economy, and culture.

Constitutional Amendments :  From Freedom of Speech to Flag Burning (2008)
Provides the history and social context of the amendment process, covering each of the 27 amendments. Significant issues, events, figures, movements and judicial/legislative actions in the history of each amendment are also covered chronologically.

Encyclopedia of the American Constitution (2000) Leonard W. Levy and Kenneth L. Karst, eds.
Contains new and updated original articles covering recent concepts (i.e. adoption, race, the Constitution, birthright citizenship) and court cases since 1992 offering comprehensive coverage of all aspects of constitutional law, as well as biographies of people who have had an impact on our government's legal framework (Supreme Court Justices, Presidents, Cabinet Members, Lawyers, and more). Also covers judicial decisions handed down by the Supreme Court.

Enfermedades y Trastornos de la Salud (2004) Neil Izenberg, ed.
Provides a translation of Scribner's Human Diseases and Conditions for Spanish-speaking researchers. Details health and medical information on 280 diseases and conditions.

The Gale Encyclopedia of Mental Health (2008) Laurie J. Fundukian and Jeffrey Wilson, eds.
Provides detailed information on mental disorders and conditions. Also features entries for prescription, alternative and over-the-counter drugs, as well as the various therapies used to treat mental disorders.

The Gale Encyclopedia of Senior Health : A Guide for Seniors and Their Caregivers (2009) Jacqueline L. Longe, ed.
Covers various issues related to one's aging body, how diseases affect it, and treatment options, including medications, for said diseases for this population. Also includes topics specific to the aging population, but beyond descriptions of medical diagnoses.

Junior Worldmark Encyclopedia of the Canadian Provinces (2007)
Provides information on Canada's provinces and territories. Includes details on Canada's arts, climate, government, health, languages, notable persons, and ethnic groups.

 
Junior Worldmark Encyclopedia of the Mexican States (2007)
Presents profiles of the 31 states and the Distrito Federal (federal district) of Mexico. Topics include climate, plants and animals, population and ethnic groups, religions, transportation, history, state and local governments, political parties, judicial system, economy, education, arts, media, tourism, sports, famous people.

Junior Worldmark Encyclopedia of the Nations (2007)
Presents profiles of 194 countries of the world. Topics include climate, plants and animals, population and ethnic groups, religions, transportation, history, government, political parties, judicial system, economy, education, arts, media, tourism, and famous people.

Junior Worldmark Encyclopedia of the States (2007)
Presents profiles of the 50 states of the nation, the District of Columbia, Puerto Rico, and the US dependencies. Topics include climate, plants and animals, population and ethnic groups, religions, transportation, history, state and local governments, political parties, judicial system, economy, education, arts, media, tourism, sports, famous people.

Alternative Energy (2007) Neil Schlager and Jayne Weisblatt, eds.
This three-volume set introduces students to issues surrounding both current energy sources and alternative energy options. While there is significant discussion of the non-renewable resources now used to meet the majority of the world's energy needs (oil, coal and natural gas), the primary focus of the set is on newer options to meet the ever-growing demand.

 
Chemical Compounds (2006) Neil Schlager, Jayne Weisblatt, and David E. Newton, eds.
Offers information on the ways in which different chemical elements combine to form commonly-used chemical compounds, such as water, ammonia, and aspirin. Defines what a chemical compound actually is and the difference between organic and inorganic compounds, as well as providing definitions of acids, bases, salts, oxides, and coordination compounds. Features a general historical overview of major discoveries and the notable scientists who made them.

Chemical Elements: From Carbon to Krypton (2006) Lawrence W. Baker and David E. Newton, eds.
In-depth, current and accurate information on 112 known chemical elements. For younger and middle school students, yet appropriate for high school students, too.