Since 1917, World Book, Inc., has set the standard for providing accuracy, objectivity, and reliability in research materials for both children and adults. Based in Chicago, Illinois, World Book is an industry leader in the production of award-winning encyclopedias, reference sources, and digital products for the home and schools.

For almost 90 years, World Bookhas been committed to publishing encyclopedias and other reference products that meet the highest standards of editorial excellence while keeping pace with the technological developments that define the computer age.

This commitment has culminated in the publication of the number-one selling print encyclopedia in the world, The World BookEncyclopedia, and market leading digital products including the World Book Online Reference Center. World Book publishes nearly 90 reference titles. Recent publications include World Book Student Discovery Encyclopedia, Animals of the World, World Book’s Science & Nature Guides, Student Discovery Science Encyclopedia, Encyclopedia of Flags, Solar System and Space Exploration Library, Human Body Works, and Biographical Connections.

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