Read and find out about the science, technology, and history of how phones work in this colorfully illustrated nonfiction picture book. "A well-explained, informative presentation on the telephone’s historical development as well as how cell phones work. Featuring a diverse crew of characters, the upbeat digital illustrations are attractive and, equally important, very helpful in showing hard-to-visualize concepts." ( Booklist starred review) Phones Keep Us Connected includes a glossary, a find out more section with an activity about building a string telephone, and an infographic about the history of the phone. Questions addressed in this book Read and find out in the proven winner Phones Keep Us Connected ! This is a Level 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts for children in the primary grades. The 100+ titles in this leading nonfiction series Top 10 reasons to love Books in this series support the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Let's-Read-and-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.