Books like encyclopedia

The World Book Encyclopedia is an encyclopedia published in the United States. According to the company, it's mission is to "enhance learning and reading for children around the world by developing trustworthy, engaging content to create products that will engage children of all ages at home, on the go, in the classroom or in libraries worldwide." The encyclopedia was designed to cover major areas of knowledge uniformly, but it shows particular strength in scientific, technical, and medical subjects.

It is based in Chicago, Illinois. Today, the company claims that World Book is the most up-to-date commercial encyclopedia, with over 2,500 pages updated in 2016 and more than 14,000 pages in total.