Presents a comprehensive reference for high school and college biology students and includes over eight hundred cross-referenced entries and illustrated photographs and charts on topics such as cloning, gene therapy, vaccines, chromosomes, blood identification, and the history of cytogenetics.
Contains over two thousand alphabetized, cross-referenced entries on terms and topics in mathematics, and includes more than 130 line drawings, a bibliography, and appendices such as symbols and notation, expansions, derivatives, trigonometry formulas, powers and roots, and the Greek alphabet.
Contains over two thousand alphabetized, cross-referenced entries on topics in ecology and the environment, covering Earth's components, the atmosphere, the biosphere, and human population dynamics, and includes more than thirty line drawings and a bibliography.
Contains approximately 1,500 alphabetized, cross-referenced entries on topics in space technology, and includes seventy-five line drawings and photos, International System Units and their equivalents, metric conversion tables, and a list of Web sites.
Contains over 1,800 alphabetically arranged entries that provide definitions and explanations of terms associated with the field of evolutionary biology, and includes illustrations and cross-references.
Contains over two thousand alphabetized, cross-referenced entries on topics in cell and molecular biology, covering cell structure, molecular genetics, cell metabolism, cell physiology, and laboratory techniques, and includes more than sixty line drawings and a bibliography.
Contains over three thousand alphabetically arranged entries that provide definitions of frequently used terms in Earth science; and includes more than one hundred line drawings, and cross-references.
Contains entries, arranged alphabetically from A to H, and six essays that provide information about Earth and space science, discussing beaches, climate change, global warming, and more.
Presents a comprehensive encyclopedia of earth science and provides about seven hundred cross-referenced entries, nineteen prose essays, and over two hundred black-and-white illustrations, photographs, and charts on such topics as oceanography, structural geology, weather, climate, and more.
Contains more than five thousand cross-referenced, alphabetized entries on topics in environmental science, covering such areas as agriculture, biology, chemistry, engineering, geology, government, law, medicine, microbiology, and toxicology.
