Includes bibliographical references and index.

v. 1. A -- v. 2. B-Ch -- v. 3. Ci-D -- v. 4. E-F -- v. 5. G-L -- v. 6. M-N -- v. 7. O-Q -- v. 8. R-S -- v. 9. T-Z.

Includes more than 550 topics in the life, earth, and physical sciences as well as in engineering, technology, math, environmental science, and psychology.