Description In Principals, vibrant, full-color photos and carefully leveled text will engage young readers as they discover how principals work to make schools safe and fun learning centers.. .A labeled diagram helps readers identify tools of the trade, while a picture glossary reinforces new vocabulary. Children can learn more about principals online using our safe search engine that provides relevant, age-appropriate websites. Principals also features reading tips for teachers and parents, a table of contents, and an index.. .Principals is part of Jump!'s Community Helpers series.