Encyclopedias

Provides over 25,000 encyclopedic entries for students and adults covering an array of topics. Offers images and brief biographies. Updated annually.

Peer-reviewed overview and summary articles written and edited by leading scholars. Each of the twenty-five distinct and subject-based encyclopedias cover a range of topics in the humanities, social sciences, and science. New topics are added regularly and each summary is designed to be read within 30 minutes and includes an annotated bibliography to help further research. 

Search hundreds of pre-generated timelines and events spanning the arts, literature, notable people, science and technology, society and culture, sports, and world history and geography. Access the built-in events, images and videos, or add your own images and event descriptions to create, customize, collaborate, and share timelines. 

A French-language (Canadian) version of World Book Encyclopedia written for younger readers who are native French speakers and older students and adults for whom French is a second language. Provides access to articles, a dictionary, images, maps, activities, sounds, videos, and more. Integrated with World Book Kids and bilingual features allow users to switch between French and English content. 

A Spanish-language database designed for native Spanish speakers, bilingual students, and ESL program participants. Contains articles, images, videos, animations, sounds and interactive media. 

Acceda esta enciclopedia completamente en Español llena de artículos, imágenes, mapas, videos y más hecha exclusivamente para los hablantes nativos de Español, estudiantes bilingües y participantes de ESL/ELL.

Spanish-language encyclopedia for Spanish speakers and Spanish language learners. Contains articles, videos, compare-and-contrast features, images, a dictionary, and more. Integrated with World Book Kids and bilingual features allow users to switch between Spanish and English content. Some features require Flashplayer.

Enciclopedia Estudiantil Hallazgos ofrece artículos en Español, medios de comunicación y sitios web para estudiantes de Español.

Online encyclopedia tailored for high school students and adults. Features include articles, a dictionary, an atlas, primary sources, website links, back in time articles, interactive maps, special reports, and more. Contains up-to-the-minute access to worldwide news publications, government links from numerous countries, and multimedia materials. Includes a citation builder featuring MLA, APA, and Harvard formats. Also includes materials for educators. Optimized for tablets.

Online encyclopedia tailored for upper-elementary and middle-grade users. Features articles, videos, images, activities, primary sources, editor-selected web sites, current events, a citation builder, a Biography center, a dictionary and atlas, and more. Also includes materials for educators. Optimized for tablets.

Designed for the young learner in grades 1 through 4, English-language learners, and reluctant readers. Features easy-to-read articles, videos, games, images, interactive maps, science projects, activities, and more. Also includes materials for educators. Optimized for tablets.

Onine resources to help preschoolers and children in the early grades develop language and literacy skills. Features modules that focus on early learning themes (colors, shapes, number, etc.), reading instruction for phonics, and vocabulary and comprehension skills. Includes narrated stories, "print & do" activities, videos, interactive games, and the Know It encyclopedia designed especially for early readers. Also includes materials for educators. Optimized for tablets.