Phones Keep Us Connected (Let's-Read-and-Find-Out Science 2)
Product Type: Bargain Books
List price: $17.99 | Save 69%
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 since then? Read and find out how a telephone can carry your voice across oceans and how it has changed the world.