Phones keep us connected
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...
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| Format: | EBOOK |
| Language: | ENGLISH |
| Published: |
HarperCollins Publishers
2017
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| Series: | Let's-read-and-find-out science. Level 2 |
| Subjects: |