What cultural movements affected changes in style and dress? What technological developments affected change in communication? Each book in em>Then and Now highlights a specific human need or want and how it has developed through time, helping readers compare life in the past to life today. Bright, full-color photographs complement the carefully leveled text to make reading for understanding easy and fun. Each title includes a table of contents, sidebars, infographic, glossary, index, and reading tips for teachers and parents.