Teach children about different professions within the community and how they have changed over time. With this 8-book set, students can determine the differences between past and present jobs, and learn about advances in communities over time. Each book features high-interest text, age-appropriate vocabulary, vivid images, a supporting glossary, table of contents, and index. Titles in this collection include: Firefighters Then and Now; Police Then and Now; Teachers Then and Now; Librarians Then and Now; Postal Workers Then and Now; Sanitation Workers Then and Now; Community Leaders Then and Now; and Government Leaders Then and Now.