Encyclopedias & General Reference

Learn the meanings of words or phrases using The American Heritage® Dictionary online dictionary.

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Para cualquier persona que necesite información de una enciclopedia. La edición electrónica de la Enciclopedia Estudiantil Hallazgos contiene todos los artículos de los 22 tomos de la versión impresa, así como más de mil artículos disponibles en línea solamente.

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Find information with Explora Research on thousands of topics on a wide range of subjects such as: health, literature, technology, engineering, and world cultures and languages.

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Learn something new today! Funk & Wagnalls New World Encyclopedia has over 25,000 entries covering an array of topics this resource is for students and adults alike.

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Gale Virtual Reference Library is a collection of high quality digital reference books includes encyclopedias, histories, biographies and how-to books for all ages. Whether you're a student researching a school project or an entrepreneur looking to lay out a business plan, you've come to the right place!

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National Geographic Kids, opens a new window will take students on amazing adventures in science, nature, culture, archaeology and space. This resource includes magazines from 2009 to the present, as well as books, videos and images. These high-quality informational texts are available for primary, upper elementary, and middle school English Language Arts, social studies and science classrooms.

Want to go on a journey that's always enlightening, often surprising, and unfailingly fascinating? It all starts with National Geographic Virtual Library, opens a new window. Thanks to Gale's partnership with National Geographic, you have access to the complete archive of National Geographic magazine at your fingertips — every page of every issue — along with a cross-searchable collection of National Geographic books, maps, images and videos.

PebbleGo is no longer available through Arapahoe Libraries.

PebbleGo is a pre-kindergarten to third grade resource for reading and research. It features six modules: Animals, Animales (Spanish edition of Animals), Earth and Space, Biographies, Social Studies and Dinosaurs. Each includes leveled text, educational games and video support to help emergent readers and researcher learn database and reading skills.

Scholastic GO! offers the most comprehensive source of nonfiction content targeted for grades 3 and up. Includes 8 encyclopedia databases: Encyclopedia Americana, Grolier Multimedia Encyclopedia, The New Book of Knowledge, La Nueva Enciclopedia Cumbre, America the Beautiful, Lands and Peoples, Amazing Animals of the World, and The New Book of Popular Science.

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The online edition of World Book contains every article in the 22-volume print version of the encyclopedia, plus thousands more that are only available online. Includes related articles from major newspapers and magazines, graphic and multimedia content, special reports and more.