With colorful illustrations and engaging text, Phones Keep Us Connected is a
fascinating look into the science, technology, and history of how phones work!
Before telephones were invented, there was no way for you to sing "Happy
Birthday" to your friend if she wasn't in the room with you. Now you can call
anyone, anywhere in the world! How was the phone invented? How has it changed?
Read and find out how a telephone can carry your voice across oceans, and how
phones have changed the world.
Featuring rich vocabulary bolded throughout the text, this book includes a
glossary, a find out more section with an activity