Communication is sharing ideas and news, but it has changed over time. Long ago, people tapped messages on a telegraph, now people call on a telephone.

Historical and modern-day photographs interspersed throughout these books clearly illustrate how aspects of daily life change over time, while simple text shows readers how to compare and contrast ideas. Timelines in the back of each book give readers perspective by listing key inventions and developments that have modernized our lives.

About the Author

Robin Nelson's careers have always kept her surrounded by books―as an elementary teacher, working at a publishing company, and now working as a school library media specialist. But her favorite job is writing books for kids. She has written many nonfiction books for children. She lives with her family in Minneapolis.

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