Research – Youth Explora for Primary Schools Content from children’s magazines, easy-to-read encyclopedia entries, and images. Students can learn about animals, musicians, fitness, space exploration, and much more. Pulls content from the following the American Heritage Children’s Dictionary, eBook K-8 Collection, Primary Search and topic overviews K-5. Explora for Secondary Schools All-in-one search tool for high school students. Middle Search Plus Full-text database providing popular middle school magazines and reference books. Primary source documents and an image collection. Primary Search Full-text database providing popular children’s magazines, easy-to-read encyclopedic entries and a vast image collection.