Encyclopedia Britannica 2012 Ultimate Edition Access the world's most trusted and authoritative information, featuring over 100,000 articles from the 32-volume Encyclopaedia Britannica print set. Find information easily in almost 16,000 entries that are tailored to school subjects. Hundreds of fun and interactive games and activities to help students with subjects like Math, Science, and Social Studies. Link to over 166,000 sites you can trust-selected by Britannica editors-plus links to thousands of videos and magazines for a wealth of additional information. Merriam-Webster's Spanish-English Translation Dictionary. Translate an English word to Spanish and a Spanish word to English with the click of the mouse.