World Book Online

Access a world of learning.

What is World Book Online?


The World Book Encyclopedia has a hundred-year history of excellence in providing accurate, objective, and reliable information. World Book articles are contributed to by a team of over 3,700 scholars and internationally recognized experts, with a rigorous fact-checking process. 

In addition to tens of thousands of encyclopedic articles, World Book Online includes:

  • Hundreds of thousands of primary sources including Back in Time articles, special reports, literary criticism, and U.S. Presidential papers and Supreme Court cases.
  • Research tools including dictionary, atlas, local and country resource guides, and individual research accounts
  • Links to hundreds of newspapers from around the world
  • Up-to-the-minute news from around the world
  • Thousands of images, links to editor-selected websites, and periodical articles
  • More than 10,000 sounds and pronunciations
  • An online book archive