An affectionate if impressionistic portrayal of one of the century's greatest and strangest mathematicians. Though little known among nonmathematicians, Erdos, who died in 1996 at age 83, was a legend among his colleagues. According to Hoffman (Archimedes' Revenge, 1988), the Hungarian was so devoted to mathematics that he went without...

The first of three core rulebooks for the 4th Edition Dungeons & Dragons® Roleplaying Game.

The Dungeons & Dragons Roleplaying Game has defined the medieval fantasy genre and the tabletop RPG industry for more than 30 years. In the D&D game, players create...

The complete guide to building Eberron(R) characters.

The Eberron Player's Guide presents the film noir world of Eberron from the point of view of the adventurer exploring it. This product includes everything a player needs to create their character for a D&D(R) campaign in...

Acetylene is a colorless, combustible gas with a distinctive odor. When acetylene is liquefied, compressed, heated, or mixed with air, it becomes highly explosive. As a result special precautions are required dur ing its production and handling. The most common use of acetylene is as a raw materi al for the production of various organic...

Many thanks to the following advisors who provided valuable comments and suggestions for Fashion, Costume, and Culture: Ginny Chaussee, Retired Media Specialist, Mountain Pointe High School, Phoenix, Arizona; Carol Keeler, Media Specialist, Detroit Country Day Upper School, Beverly Hills, Michigan; Nina Levine, Library Media Specialist, Blue...

The Gale Encyclopedia of Medicine 2 (GEM2) is a one-stop source for medical information on nearly 1,700 common medical disorders, conditions, tests, and treatments, including high-profile diseases such as AIDS, Alzheimer’s disease, cancer, and heart attack. This encyclopedia avoids medical jargon and uses language that laypersons can...