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 include:

• How was the phone invented?


• How has it changed?


• How can a phone carry your voice across oceans?

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 are:

• hands-on and visual


• acclaimed and trusted


• great for classrooms

Top 10 reasons to love LRFOs:

• Entertain and educate at the same time


• Have appealing, child-centered topics


• Developmentally appropriate for emerging readers


• Focused; answering questions instead of using survey approach


• Employ engaging picture book quality illustrations


• Use simple charts and graphics to improve visual literacy skills


• Feature hands-on activities to engage young scientists


• Meet national science education standards


• Written/illustrated by award-winning authors/illustrators & vetted by an expert in the field


• Over 130 titles in print, meeting a wide range of kids' scientific interests

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.