encyclopedias

Presents a comprehensive teen guide to prescription and over-the-counter medications along with a description of how the medication works, brand names and generic ingredients, and possible side effects on conditions such as acne, allergies, asthma, diabetes, eating disorders, and more.

Alphabetical reference containing over one thousand entries and over sixty illustrations and drawings describing the terminology, techniques, equipment, people, and mountain ranges and peaks that have shaped the sport of climbing.

An illustrated guide to cats, providing information about different breeds and color varieties; examining general characteristics of cat anatomy, senses, genetics, and behavior; and including discussion of the history of cats, their relationships with humans, and their appearance in art, literature, and religion.

Presents six hundred top-ten lists on such subjects as the universe, humans, crime, culture, music, entertainment, food, transportation, and sports, and provides background information on the topics covered.

Contains more than 180 alphabetized entries on explorers and related topics such as anthropology, mapmaking, ships, and spacecraft, and features photos, illustrations, and sidebars.

Presents an illustrated guide to mammals, from aardvarks to zebras, covering aquatic, arboreal, and terrestrial animals with key facts about physical characteristics, behavior, distribution, habitat, natural predators and prey, relatives, life cycle, and other information.

Contains profiles of 192 independent countries, each listing the country name, continent, area, population, and capital, and featuring a list of facts within the categories of physical, political, and environmental/economic; arranged alphabetically from Afghanistan to Zimbabwe, with maps.

Profiles 107 world explorers, from 500 B.C. when Carthaginian explorer Hanno colonized West Africa, to such present-day adventurers as astronaut Neil Armstrong and ocean explorer Sylvia Earle.

Alphabetical entries provide information on the physical characteristics, behavior, and habitats of over 2,000 animals.