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Contains full text for hundreds of science encyclopedias, reference books, periodicals and other sources.

Offers exclusive full text for many top consumer small business reference books, as well as tools to address many small business topics. Includes business videos, a help and advice section and details on how to create business plans.

An excellent way to get a quick authoritative and accessible overview of a subject.

Ohio tree identification guide.

Ohio snake identification guide

Identifying flint artifacts.

Thousands of colorful illustrations, diagrams, and maps enrich thousands of articles, with teacher guides

Information resources for pre-school through college

Contains an extensive multimedia collection, including editor-selected websites, and correlations to state standards.

Build and share timelines. Use your own events and images or add content and images from World Book.