A Closer Look at Bacteria, Algae, and Protozoa, ed. , v.
A Closer Look at Biology, Microbiology, and the Cell, ed. , v.
A Closer Look at Genes and Genetic Engineering, ed. , v.
A Closer Look at Living Things, ed. , v.
A Closer Look at Plant Classifications, Parts, and Uses, ed. , v.
A Closer Look at Plant Reproduction, Growth, and Ecology, ed. , v.
A Closer Look at the Animal Kingdom, ed. , v.
Abolition Movement, ed. , v.
Afghanistan, ed. , v.
Africa to America, ed. , v.
Africa, ed. , v.
African American Culture, ed. , v.
African American Eras, ed. , v.
Algebra, ed. , v.
Alicia Keys, ed. , v.
Alternative Energy, ed. , v.
Alternative Energy, ed. 2, v.
Alternative, Country, Hip-Hop, Rap, and More, ed. , v.
American Counterculture of the 1960s, ed. , v.
American Decades Primary Sources, ed. , v.
American Decades Primary Sources, ed. , v. 11
American Decades, ed. , v.
American Law Yearbook, ed. , v.
Amphibian, Rev. ed., ed. , v.
Amphibian, ed. , v.
An Appeal for Justice, ed. , v.
Ancient China, Rev. ed., ed. , v.
Ancient Egypt, ed. , v.
Ancient Greece, ed. , v.
Ancient Rome, ed. , v.
Animal, ed. , v.
Animals, ed. , v.
Arctic & Antarctic, Rev. ed., ed. , v.
Arctic & Antarctic, ed. , v.
Are We Running Out of Energy?, ed. , v.
Arms & Armor, Rev. ed., ed. , v.
Artificial Intelligence, ed. , v.
Arts and Humanities Through the Eras, ed. , v.
Asperger's Syndrome, ed. , v.
Astronomy, ed. , v.
Atmosphere and Air Pollution, ed. , v.
Aztec, Inca, and Maya, Rev. ed., ed. , v.
Bacteria and Viruses, ed. , v.
Banking and Finance, ed. , v.
Baseball, Rev. ed., ed. , v.
Baseball, ed. , v.
Basketball, ed. , v.
Biotechnology, ed. , v.
Bird, Rev. ed., ed. , v.
Bird, ed. , v.
Birds, ed. , v.
Black American Biographies, ed. , v.
Blood, ed. , v.
Boat, ed. , v.
Bone and Muscle, ed. , v.
Bowling, Beatniks, and Bell-Bottoms, ed. 2, v.
Brain Trauma, ed. , v.
Britannica Encyclopedia of World Religions, ed. , v.
Buddhism, ed. , v.
Building, ed. , v.
Bullying, ed. , v.
Butterfly & Moth, ed. , v.
Butterfly, ed. , v.
Cancer, ed. , v.
Career Ideas for Teens in Information Technology, ed. 2, v.
CaseBase: Case Studies in Global Business, ed. , v. 2
Cat, Rev. ed., ed. , v.
Chemical Compounds, ed. , v.
Chemical Elements, ed. 2, v.
Childhood Obesity, ed. , v.
Christianity, Rev. ed., ed. , v.
City, ed. , v.
Climate Change, ed. , v.
Cliques, ed. , v.
Computer, ed. , v.
Computers in Science and Mathematics, ed. , v.
Constitutional Amendments, ed. 2, v.
Cowboy, Rev. ed., ed. , v.
Cryptography, ed. , v.
Crystal and Gem, Rev. ed., ed. , v.
Cycling, ed. , v.
DK Guide to Dinosaurs, ed. , v.
Da Vinci and His Times, Rev. ed., ed. , v.
Dance, Rev. ed., ed. , v.
David Petraeus, ed. , v.
Desert, ed. , v.
Dictionary of American History, ed. 3, v.
Diet and Disease, ed. , v.
Dinosaur, ed. , v.
Disco Dance, ed. , v.
Disco, Punk, New Wave, Heavy Metal, and More, ed. , v.
Dog, Rev. ed., ed. , v.
Drama for Students, ed. , v. 16
E-books, ed. , v.
Eagle & Birds of Prey, ed. , v.
Ear, Nose, and Throat, ed. , v.
Early Humans, ed. , v.
Earth's Changing Environment, ed. , v.
Eating Disorders, ed. , v.
Ecology and Ecosystems, ed. , v.
Ecology, Rev. ed., ed. , v.
Ecology, ed. , v.
Economics and Economic Systems, ed. , v.
Economy, ed. , v.
Electric Cars, ed. , v.
Electricity, ed. , v.
Electronics, ed. , v.
Elena Kagan, ed. , v.
Elizabethan World Reference Library, ed. , v.
Encyclopedia of African-American Culture and History, ed. 2, v.
Encyclopedia of Drugs, Alcohol & Addictive Behavior, ed. 3, v.
Encyclopedia of Education, ed. 2, v.
Encyclopedia of Food and Culture, ed. , v.
Encyclopedia of Genocide and Crimes Against Humanity, ed. , v.
Encyclopedia of Religion, ed. 2, v.
Encyclopedia of Science, Technology, and Ethics, ed. , v.
Encyclopedia of World Biography, ed. 2, v.
Encyclopedia of World Biography, ed. 2, v. 24
Encyclopedia of World Biography, ed. 2, v. 25
Encyclopedia of World Biography, ed. 2, v. 26
Encyclopedia of World Biography, ed. 2, v. 27
Encyclopedia of World Biography, ed. 2, v. 28
Encyclopedia of World Biography, ed. 2, v. 29
Encyclopedia of World Biography, ed. 2, v. 30
Encyclopedia of World Biography, ed. 2, v. 31
Encyclopedia of World Biography, ed. 2, v. 32
Encyclopedia of World Biography, ed. 2, v. 33
Encyclopedia of World Biography, ed. 2, v. 34
Encyclopedia of World Biography, ed. 2, v. 35
Encyclopedia of World Biography, ed. 2, v. 36
Encyclopedia of World Biography, ed. 2, v. 37
Encyclopedia of World Biography, ed. 2, v. 38
Encyclopedia of the American Constitution, ed. 2, v.
Encyclopedia of the Great Depression, ed. , v.
Endangered Animals, ed. , v.
Energy Alternatives, ed. , v.
Energy and Energy Use, ed. , v.
Energy, ed. , v.
Entertainment Industry, ed. , v.
Environmental Encyclopedia, ed. 4, v.
Epics for Students, ed. 2, v.
Epidemic, ed. , v.
Europe Since 1914: Encyclopedia of the Age of War and Reconstruction, ed. , v.
Everest, ed. , v.
Evolution, Rev. ed., ed. , v.
Experiment Central, ed. 2, v.
Explorer, Rev. ed., ed. , v.
Farm, ed. , v.
Fashion, Costume, and Culture, ed. 2, v.
Fish, ed. , v.
Flag, ed. , v.
Flight, Rev. ed., ed. , v.
Folk Dancing, ed. , v.
Food Allergies, ed. , v.
Food Myths and Facts, ed. , v.
Food Regulation and Safety, ed. , v.
Food, ed. , v.
Forensic Science, ed. , v.
Forms of Government and the Rise of Democracy, ed. , v.
Fossil Fuels, ed. , v.
Fossil, Rev. ed., ed. , v.
Fracking, ed. , v.
Fungi, Algae, and Protists, ed. , v.
Gale E-Commerce Sourcebook, ed. 2, v.
Gale Encyclopedia of E-Commerce, ed. 2, v.
Gale Encyclopedia of Everyday Law, ed. 3, v.
Gangs, ed. , v.
Gaseous Matter, ed. , v.
Gay Marriage, ed. , v.
Genetically Modified Foods, ed. , v.
Glaciers, Sea Ice, and Ice Formation, ed. , v.
Global Positioning Systems, ed. , v.
Global Warming, ed. , v.
Gods and Goddesses of Greece and Rome, ed. , v.
Gorilla, Monkey & Ape, ed. , v.
Great Scientists, ed. , v.
Greek Mythology, ed. , v.
Grzimek's Animal Life Encyclopedia, ed. , v.
Gun Control, ed. , v.
Gymnastics, ed. , v.
Harriet Tubman, ed. , v.
Health Care, ed. , v.
Healthy Living, ed. 2, v.
Healthy Weight for Teens, ed. , v.
Heat, ed. , v.
Historically Black Colleges and Universities, ed. , v.
History Behind the Headlines, ed. , v.
Hoarding, ed. , v.
Horse, ed. , v.
Human Body I, ed. , v.
Human Body II, ed. , v.
Human Body, ed. , v.
Human Diseases and Conditions, ed. 2, v.
Hurricane & Tornado, Rev. ed., ed. , v.
India, ed. , v.
Influenza Pandemics, ed. , v.
Insect, Rev. ed., ed. , v.
Insect, ed. , v.
Internment of Japanese Americans, ed. , v.
Invention, Rev. ed., ed. , v.
Invertebrates, ed. , v.
Investigating Earth's Desert, Grassland, and Rainforest Biomes, ed. , v.
Investigating Earth's Oceans, ed. , v.
Investigating Earth's Polar Biomes, ed. , v.
Investigating Earth's Weather, ed. , v.
Investigating Minerals, Rocks, and Fossils, ed. , v.
Investigating Plate Tectonics, Earthquakes, and Volcanoes, ed. , v.
Investigating the Global Climate, ed. , v.
Investigating the History of Earth, ed. , v.
Iran, ed. , v.
Iraq, ed. , v.
Is Our Climate Changing?, ed. , v.
Is Our Food Safe?, ed. , v.
Islamic Art, Literature, and Culture, ed. , v.
Islamic Beliefs and Practices, ed. , v.
Islamic History, ed. , v.
Israel, ed. , v.
James Forman and SNCC, ed. , v.
Judaism, ed. , v.
Jungle, Rev. ed., ed. , v.
Junior Worldmark Encyclopedia of Foods and Recipes of the World, ed. 2, v.
Junior Worldmark Encyclopedia of World Cultures, ed. 2, v.
Junior Worldmark Encyclopedia of the States, ed. 6, v.
Junk Food Junkies, ed. , v.
Knight, Rev. ed., ed. , v.
Light, ed. , v.
Liquid Matter, ed. , v.
Literary Themes for Students: Race and Prejudice, ed. , v.
Mammal, Rev. ed., ed. , v.
Mammal, ed. , v.
Mars, ed. , v.
Matter, ed. , v.
Medieval Life, Rev. ed., ed. , v.
Mesopotamia, ed. , v.
Middle East Conflict, ed. 2, v.
Modern-Day Pirates, ed. , v.
Money and Capital, ed. , v.
Mythology, Rev. ed., ed. , v.
Mythology, ed. , v.
Natural Disasters, ed. , v.
New Dictionary of the History of Ideas, ed. , v.
New Views of the Solar System, ed. , v.
North American Indian, Rev. ed., ed. , v.
Novels for Students, ed. , v. 5
Nuclear Energy, ed. , v.
Numbers, ed. , v.
Ocean, ed. , v.
Oil Spills, ed. , v.
Oil, Rev. ed., ed. , v.
Olympics, Rev. ed., ed. , v.
Online Schools, ed. , v.
Organ Transplants, ed. , v.
Pakistan, ed. , v.
Phobias, ed. , v.
Photography, ed. , v.
Piracy on the High Seas, ed. , v.
Pirate, Rev. ed., ed. , v.
Plant, Rev. ed., ed. , v.
Plate Tectonics, Volcanoes, and Earthquakes, ed. , v.
Poetry and Drama, ed. , v.
Poetry for Students, ed. , v. 11
Poisoning Planet Earth, ed. , v.
Political Parties, Interest Groups, and Elections, ed. , v.
Pond & River, Rev. ed., ed. , v.
Predator, ed. , v.
Prehistoric Life, Rev. ed., ed. , v.
Prose, ed. , v.
Pyramid, Rev. ed., ed. , v.
Racism, ed. , v.
Real-Life Math, ed. , v.
Reality TV, ed. , v.
Religion, Rev. ed., ed. , v.
Renaissance: An Encyclopedia for Students, ed. , v.
Renewable and Alternative Energy, ed. , v.
Reptile, ed. , v.
Reptiles and Dinosaurs, ed. , v.
Rescue, ed. , v.
Robot, ed. , v.
Rock & Mineral, ed. , v.
Rock 'n' Roll Dances of the 1950s, ed. , v.
Rocks and Minerals, ed. , v.
Roller Coasters, ed. , v.
Roman Mythology, ed. , v.
Russia, ed. , v.
Schirmer Encyclopedia of Film, ed. , v.
Science, ed. , v.
Seashore, Rev. ed., ed. , v.
Self-Injury, ed. , v.
Shakespeare for Students, ed. 2, v.
Shakespeare, Rev. ed., ed. , v.
Shark, ed. , v.
Shell, ed. , v.
Shipwreck, Rev. ed., ed. , v.
Short Stories for Students, ed. , v. 14
Skeleton, Rev. ed., ed. , v.
Skeleton, ed. , v.
Skin and Connective Tissue, ed. , v.
Slavery Through the Ages, ed. , v.
Sleep Problems, ed. , v.
Soccer, Rev. ed., ed. , v.
Soccer, ed. , v.
Soldier, ed. , v.
Solid Matter, ed. , v.
Sounds of Rebellion, ed. , v.
Space Exploration, ed. , v.
Sports Violence, ed. , v.
Spy Agencies, Intelligence Operations, and the People Behind Them, ed. , v.
St. James Encyclopedia of Popular Culture, ed. 2, v.
Stem Cells, ed. , v.
Storms, Violent Winds, and Earth's Atmosphere, ed. , v.
Submarine, ed. , v.
Supreme Court Drama, ed. 2, v.
Swimming, ed. , v.
Swing Dancing, ed. , v.
Taekwondo, ed. , v.
Technology, ed. , v.
Teen Pregnancy, ed. , v.
Teens and Alcohol, ed. , v.
Television, ed. , v.
Tennis, ed. , v.
The 9/11 Encyclopedia, ed. 2, v.
The African American Almanac, ed. 11, v.
The Baby Boomer Encyclopedia, ed. , v.
The Birth of Rock & Roll, ed. , v.
The Black Death, ed. , v.
The Black Experience in America, ed. , v.
The Bombing of Pearl Harbor, ed. , v.
The Brain and the Nervous System, ed. , v.
The Britannica Guide to Genetics, ed. , v.
The Britannica Guide to the 100 Most Influential Americans, ed. , v.
The Britannica Guide to the 100 Most Influential Scientists, ed. , v.
The Cardiovascular System, ed. , v.
The Cell, ed. , v.
The Chemical Reactions of Life, ed. , v.
The Components of Life, ed. , v.
The Declaration of Independence, ed. , v.
The Digestive System, ed. , v.
The Endocrine System, ed. , v.
The Executive Branch of the Federal Government, ed. , v.
The Eye, ed. , v.
The Facts On File Guide to Research, ed. 2, v.
The Freedom Rides, ed. , v.
The Gale Encyclopedia of Alternative Medicine, ed. 3, v.
The Gale Encyclopedia of Genetic Disorders, ed. 3, v.
The Gale Encyclopedia of Genetic Disorders, ed. 4, v.
The Gale Encyclopedia of Medicine, ed. 4, v.
The Gale Encyclopedia of Medicine, ed. 5, v.
The Gale Encyclopedia of Mental Health, ed. 3, v.
The Gale Encyclopedia of Mental Health, ed. 4, v.
The Gale Encyclopedia of Science, ed. 4, v.
The Great Depression, ed. , v.
The History of Agriculture, ed. , v.
The History of Central and Eastern Africa, ed. , v.
The History of Northern Africa, ed. , v.
The History of Southern Africa, ed. , v.
The History of Western Africa, ed. , v.
The Islamic Empire, ed. , v.
The John F. Kennedy Assassination, ed. , v.
The Judicial Branch of the Federal Government, ed. , v.
The Kidneys and the Renal System, ed. , v.
The Legislative Branch of the Federal Government, ed. , v.
The Manhattan Project, ed. , v.
The March from Selma to Montgomery, ed. , v.
The Red Scare, ed. , v.
The Reproductive System, ed. , v.
The Respiratory System, ed. , v.
The Science of Nutrition, ed. , v.
The Science of Physics, ed. , v.
The U.S. Constitution and Constitutional Law, ed. , v.
The War in Afghanistan, ed. , v.
The Women's Movement, ed. , v.
Titanic, Rev. ed., ed. , v.
Treasure, ed. , v.
Tree, Rev. ed., ed. , v.
U.S. Imperialism and Progressivism, ed. , v.
UXL American Decades, ed. , v.
UXL Encyclopedia of Biomes, ed. 2, v.
UXL Encyclopedia of Diseases and Disorders, ed. , v.
UXL Encyclopedia of Drugs and Addictive Substances, ed. , v.
UXL Encyclopedia of U.S. History, ed. , v.
UXL Encyclopedia of World Biography, ed. , v.
UXL Encyclopedia of World Mythology, ed. , v.
Underage Drinking, ed. , v.
Uranus, Neptune, Pluto, and the Outer Solar System, Rev. ed., ed. , v.
Vaccines, ed. , v.
Vegan Diets, ed. , v.
Video Games, ed. , v.
Vietnam War, ed. , v.
Viking, ed. , v.
Volleyball, ed. , v.
Water and Water Pollution, ed. , v.
Water, ed. , v.
Weather, Rev. ed., ed. , v.
Web 2.0, ed. , v.
Whale, ed. , v.
Why Are the Rainforests Being Destroyed?, ed. , v.
Why Pi?, ed. , v.
World Exploration from Ancient Times, ed. , v.
World War I, ed. , v.
World of Forensic Science, ed. 2, v.
Worldmark Encyclopedia of Religious Practices, ed. 2, v.
Worldmark Encyclopedia of the Nations, ed. 13, v.
Worldmark Encyclopedia of the Nations, ed. 14, v.
Wrestling, ed. , v.
iPod® and MP3 Players, ed. , v.
Social Science
Teens and Alcohol, ed. , v.
Racism, ed. , v.
Cliques, ed. , v.
Stem Cells, ed. , v.
Bullying, ed. , v.
The War in Afghanistan, ed. , v.
Nuclear Energy, ed. , v.
Gun Control, ed. , v.
Fracking, ed. , v.
St. James Encyclopedia of Popular Culture, ed. 2, v.
Rescue, ed. , v.
Organ Transplants, ed. , v.
Hoarding, ed. , v.
Encyclopedia of Drugs, Alcohol & Addictive Behavior, ed. 3, v.
Teen Pregnancy, ed. , v.
Underage Drinking, ed. , v.
Self-Injury, ed. , v.
Reality TV, ed. , v.
Gay Marriage, ed. , v.
Gangs, ed. , v.
City, ed. , v.
Modern-Day Pirates, ed. , v.
Health Care, ed. , v.
Sports Violence, ed. , v.
Bullying, ed. , v.