A Vulnerable America: An Overview of National Security cover Alternate Energy cover American Civil War Reference Library cover American Decades Primary Sources cover American History Through Literature 1820-1870 cover American History Through Literature 1870-1920 cover American Home Front in World War II cover American Inaugurals: The Speeches, The Presidents, and Their Times cover American Revolution Reference Library cover American Women Writers: A Critical Reference Guide from Colonial Times to the Present, ed. 2 cover Americans at War cover Blackbirch Kids Visual Reference of the United States cover Blackbirch Kids Visual Reference of the World cover Career Information Center, ed. 9 cover Checks and Balances: The Three Branches of the American Government cover Chemical Elements, ed. 2 cover Colonial America Reference Library cover Defending the Borders: The Role of Border and Immigration Control cover Deterring and Investigating Attack: The Role of the FBI and CIA cover Dictionary of American History, ed. 3 cover Dictionary of Women Worldwide: 25,000 Women Through the Ages cover Encyclopedia of African-American Culture and History, ed. 2 cover Encyclopedia of Clothing and Fashion cover Encyclopedia of Food and Culture cover Encyclopedia of Lesbian, Gay, Bisexual and Transgendered History in America cover Encyclopedia of Occultism and Parapsychology, ed. 5 cover Encyclopedia of Recreation and Leisure in America cover Encyclopedia of Religion, ed. 2 cover Encyclopedia of Sex and Gender cover Encyclopedia of Small Business, ed. 3 cover Encyclopedia of World Cultures cover Encyclopedia of the American Constitution, ed. 2 cover Encyclopedia of the American Revolution: Library of Military History cover Encyclopedia of the Great Depression cover Environmental Encyclopedia, ed. 3 cover Eruption! The Story of Volcanoes cover Gale Encyclopedia of U.S. Economic History cover Going Green cover Governments of the World: A Global Guide to Citizens Rights and Responsibilities cover Grzimeks Student Animal Life Resource cover Historic Events for Students: The Great Depression cover History Behind the Headlines: The Origins of Conflicts Worldwide cover History in Dispute, Vol. 1 cover Hunting Down the Terrorists: Declaring War and Policing Global Violations cover Icons of American Architecture: From the Alamo to the World Trade Center cover International Dictionary of Films and Filmmakers, ed. 4 cover Junk Food Junkies cover Landmarks of the American Revolution: Library of Military History, ed. 2 cover Learning About the Holocaust: A Student's Guide cover National Survey of State Laws, ed. 5 cover Nonfiction Classics for Students: Presenting Analysis, Context, and Criticism on Nonfiction Works cover Our Living World: Earths Biomes cover Renewable and Alternative Energy Resources: A Reference Handbook cover Responding to Attack: Firefighters and Police cover Shakespeare for Students, ed. 2: Critical Interpretations of Shakespeare's Plays and Poetry cover Space Exploration Reference Library cover St. James Encyclopedia of Labor History Worldwide cover St. James Encyclopedia of Popular Culture cover The Encyclopedia of Genetic Disorders and Birth Defects, ed. 3 cover U.S. Immigration and Migration Reference Library cover UXL Encyclopedia of Biomes, ed. 2 cover Vietnam War Reference Library cover Volcanoes: Eruptions and Other Volcanic Hazards cover Wests Encyclopedia of American Law, ed. 2 cover Women in World History: A Biographical Encyclopedia cover World of Sports Science cover Worldmark Encyclopedia of Religious Practices cover Worldmark Encyclopedia of the States, ed. 7 cover