Surveys what is known about the characteristics and behavior of dinosaurs, and offers brief profiles of the scientists who have studied dinosaurs.

From the birth of a star to the mystery of dark matter, and from the power of black holes to the search for extra-terrestrial life, this definitive guide unravels the mysteries of our incredible universe. Written in easy-to-follow language but reflecting the latest astronomical research, this enchanting encyclopedia will ignite childrens' passion for the space science and its incredible discoveries.

"Like sparkling lights and colorful ornaments on a holiday tree, Encyclopedia of Christmas offers myriad facts all in one place. The subtitle says it all: 'Nearly 200 alphabetically arranged entries covering all aspects of Christmas, including folk customs, religious observances, history, legends, symbols, and related days from Europe, America, and around the world.' The Encyclopedia's strong point is its international coverage reflected in the 20...

Contains more than two thousand chemistry-related entries, four essays, information on leading discoveries, and biographies of notable chemists throughout history.

"Let the garden experts at Rodale help you create your most successful garden ever. Learn how to use natural and chemical-free methods to grow vegetables and fruit, perennials, annuals, bulbs, herbs, and trees and shrubs and maintain your landscape all year-round. Now throughly revised and updated, this encyclopedia features new organic pest controls, improved growing techniques, the latest soil recommendations, and promising new gardening trends"--Page...

"Alphabetically arranged set presents profile of individual nations and other political/geographic units including overview of history, geography, economy, people, culture, and government for each. Includes cumulative index and web site resources"--Provided by publisher.

"In this new, completely updated edition of The Lupus Encyclopedia, Dr. Thomas along with leading experts from around the globe detail everything you need to know about what lupus is and how autoimmune disorders affect the body and mind, the symptoms associated with lupus, what tests are needed to make a lupus diagnosis, how to find a specialist who can provide you with the best care, advice on obtaining the best treatments for your specific symptoms,...

Brief, illustrated articles on the history, culture, and natural history of the Arabian Peninsula.

Presents biographical information about the chief and associate justices, and gives descriptions of more than one hundred of the most historically significant cases heard by the Supreme Court.

Provides information on keeping an aquarium or pond, highlighting species of popular freshwater, saltwater, tropical, and cold water fish, along with information on feeding, breeding, and care.