The '''''World Book Encyclopedia''''' is an [[United States|American]] [[encyclopedia]].<ref name=":1" /> The encyclopedia is designed to cover major areas of knowledge uniformly, but it shows particular strength in scientific, technical, and medical subjects.<ref name="indiana">{{cite web|url=http://www.indiana.edu/~librcsd/libguide/ency/12.html |title=Encyclopedias in English and Other Languages |publisher=Library Research Guides. Indiana University |url-status=dead |archiveurl=https://web.archive.org/web/20120619073314/http://www.indiana.edu/~librcsd/libguide/ency/12.html |archivedate=June 19, 2012 }}</ref> ''World Book'' was first published in 1917. Since 1925, a new edition of the encyclopedia has been published annually.<ref name=":1">{{Cite web|title=World Book Encyclopedia {{!}} reference work|url=https://www.britannica.com/topic/The-World-Book-Encyclopedia|access-date=2021-04-09|website=Encyclopedia Britannica|language=en}}</ref>
World Book, Inc. is based in [[Chicago]], [[Illinois]].<ref name=":1" /> According to the company, the latest edition, ''World Book Encyclopedia 2022'', contains more than 14,000 pages distributed along 22 volumes and also contains over 25,000 photographs.<ref>{{Cite web|title=World Book {{!}} 2022 World Book Encyclopedia {{!}} Order Today|url=https://www.worldbook.com/the-world-book-encyclopedia-2022.aspx|access-date=2021-12-14|website=www.worldbook.com}}</ref>
