World Humanitarian Day
Every day humanitarian volunteers work hard to relieve people in areas affected by armed conflict.
The United Nations has declared August 19 a holiday in honor of these brave men and women.
A large collection of informational and educational videos from animals and landmarks to language arts and history.
A vast compendium of statistics and up-to-date facts and figures, on everything you need to know.
An unabridged dictionary from aalii to zymurgy, including a pronunciation guide.
An atlas featuring maps and detailed profiles of all 193 countries and the 50 U.S. states.
A current and comprehensive encyclopedia covering all the major branches of knowledge from astrophysics to Zimbabwe.