Many people use cell phones and e-mail to communicate with others. But long ago, these tools didnât exist. All phone calls traveled through wires. And people used machines called typewriters to write letters. What other communication tools have changed over time? Read this book to find out!
Learn how daily life has changed over time in the Comparing Past and Present seriesâpart of the Lightning Bolt Books â¢ collection. With high-energy designs, exciting photos, and fun text, Lightning Bolt Books â¢ bring nonfiction topics to life!
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